Li, Tianjun, Nanopoulos, Dimitri V., Walker, Joel W.
We consider proton decay in the testable flipped SU(5) X U(1)_X models with TeV-scale vector-like particles which can be realized in free fermionic string constructions and F-theory model building....
Quark Masses from Gaugino Condensation in String Theories (2009)
Kokorelis, Christos, Mayes, Van E., Nanopoulos, Dimitri V.
We present a mechanism able to generate the perturbatively absent up/down $$ quark Yukawa couplings of SU(5)/flipped SU(5) GUTS in Type II orientifold compactifications with D-branes. The mechanism...
Flipped SU(5) X U(1)_X Models from F-Theory (2009)
Jiang, Jing, Li, Tianjun, Nanopoulos, Dimitri V., Xie, Dan
We systematically construct flipped SU(5) X U(1)_X models without and with bulk vector-like particles from F-theory. To realize the decoupling scenario, we introduce sets of vector-like particles in...
Stringy WIMP Detection and Annihilation (2009)
Maxin, James A., Mayes, Van E., Nanopoulos, Dimitri V.
We calculate the direct dark matter detection spin-independent and proton spin-dependent cross-sections for a semi-realistic intersecting D6-brane model. The cross-sections are compared to the latest...
MSSM-like AdS Flux Vacua with Frozen Open-string Moduli (2009)
Chen, Ching-Ming, Li, Tianjun, Mayes, Van Eric, Nanopoulos, Dimitri V.
We construct supersymmetric Pati-Salam and MSSM-like IIA AdS flux models from intersecting D6-branes on T^6/(Z_2 x Z_2'). The models constructed have three generations of MSSM matter plus...
Time Delays of Strings in D-particle Backgrounds and Vacuum Refractive Indices (2009)
Li, Tianjun, Mavromatos, Nick E., Nanopoulos, Dimitri V., Xie, Dan
Using standard techniques in string/D-brane scattering amplitude computations, we evaluate the scattering of open strings off D-particles in brane world scenarios. The D-particles are viewed as D3...
Realistic Type IIB Supersymmetric Minkowski Flux Models without the Freed-Witten Anomaly (2008)
Chen, Ching-Ming, Li, Tianjun, Nanopoulos, Dimitri V.
We show that there exist supersymmetric Minkowski vacua on Type IIB toroidal orientifold with general flux compactifications where the RR tadpole cancellation conditions can be relaxed and the...
Jiang, Jing, Li, Tianjun, Nanopoulos, Dimitri V., Xie, Dan
We construct three flipped SU(5) X U(1)_X models from F-theory, and consider two such models from free fermionic string model building. To achieve the decoupling scenario in F-theory models and the...
Supergravity and Superstring Signatures of the One-Parameter Model at LHC (2008)
Maxin, James A., Mayes, Van E., Nanopoulos, Dimitri V.
Many string constructions have a classical no-scale structure, resulting in a one-parameter model (OPM) for the supersymmetry breaking soft terms. As a highly constrained subset of mSUGRA, the OPM...
Flux Parameter Spaces in Type II Vacua (2008)
Chen, Ching-Ming, Li, Tianjun, Nanopoulos, Dimitri V.
We study the flux parameter spaces for semi-realistic supersymmetric Pati-Salam models in the AdS vacua on Type IIA orientifold and realistic supersymmetric Pati-Salam models in the Minkowski vacua...
Realistic Type IIB Supersymmetric Minkowski Flux Vacua (2007)
Chen, Ching-Ming, Li, Tianjun, Liu, Yan, Nanopoulos, Dimitri V.
We show that there exist supersymmetric Minkowski vacua on Type IIB toroidal orientifold with general flux compactifications where the RR tadpole cancellation conditions can be relaxed elegantly....
Supercriticality of a Class of Critical String Cosmological Solutions (2007)
Nanopoulos, Dimitri V., Xie, Dan
For a class of Friedmann-Robertson-Walker type string solutions with compact hyperbolic spatial slices formulated in critical dimension, we find the world sheet conformal field theory which involves...
No-Scale Solution to Little Hierarchy (2007)
Dutta, Bhaskar, Mimura, Yukihiro, Nanopoulos, Dimitri V.
We show that the little hierarchy problem can be solved in the no-scale supergravity framework. In this model the supersymmetry breaking scale is generated when the electroweak symmetry breaking...
Variations of the Hidden Sector in a Realistic Intersecting Brane Model (2007)
Chen, Ching-Ming, Li, Tianjun, Mayes, V. E., Nanopoulos, Dimitri V.
Recently, we discussed the first example of a phenomenologically realistic intersecting D6-brane model. In this model, the gauge symmetry in the hidden sector is USp(2)_1 x USp(2)_2 x USp(2)_3 x...
A Realistic World from Intersecting D6-Branes (2007)
Chen, Ching-Ming, Li, Tianjun, Mayes, V. E., Nanopoulos, Dimitri V.
We briefly describe a three-family intersecting D6-brane model in Type IIA theory on the T^6/(Z_2 x Z_2) orientifold with a realistic phenomenology. In this model, the gauge symmetry can be broken...
Ellis, John R., Mavromatos, Nikolaos E., Mitsou, Vasiliki A., Nanopoulos, Dimitri V.
14 pages, 5 figures.-- PACS nrs.: 98.80.Es; 95.36.+x; 98.65.Dx.-- ISI Article Identifier: 000244403100010.-- ArXiv pre-print available at: http://arxiv.org/abs/astro-ph/0604272
Testable Flipped SU(5) x U(1)_X Models (2006)
Jiang, Jing, Li, Tianjun, Nanopoulos, Dimitri V.
The little hierarchy between the GUT scale and the string scale may give us some hints that can be tested at the LHC. To achieve string-scale gauge coupling unification, we introduce additional...
CPT and Quantum Mechanics Tests with Kaons (2006)
Bernabeu, José, Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V, Papavassiliou, J
In this review we first discuss the theoretical motivations for possible CPT violation and deviations from ordinary quantum-mechanical behavior of field-theoretic systems in the context of an...
CPT and Quantum Mechanics Tests with Kaons (2006)
Bernabeu, Jose, Ellis, John, Mavromatos, Nick E., Nanopoulos, Dimitri V., Papavassiliou, Joannis
In this review we first discuss the theoretical motivations for possible CPT violation and deviations from ordinary quantum-mechanical behavior of field-theoretic systems in the context of an...
Aspects Of Grand Unified And String Phenomenology (2006)
Walker, J W, Nanopoulos, Dimitri V
Explored in this report is the essential interconnectedness of Grand Unified and String Theoretic Phenomenology. In order to extract a modeled connection to low-energy physics from the context of...
Confronting Dark Energy Models with Astrophysical Data (2006)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Mitsou, V A, Nanopoulos, Dimitri V
We discuss fits of cosmological dark energy models to the available data on high-redshift supernovae and baryon oscillations. We consider a conventional model with Cold Dark Matter and a cosmological...
Flipped and Unflipped SU(5) as Type IIA Flux Vacua (2006)
Chen, Ching-Ming, Li, Tianjun, Nanopoulos, Dimitri V.
On Type IIA orientifolds with flux compactifications in supersymmetric AdS vacua, we for the first time construct SU(5) models with three anti-symmetric {\bf 10} representations and without symmetric...
Type IIA Pati-Salam Flux Vacua (2006)
Chen, Ching-Ming, Li, Tianjun, Nanopoulos, Dimitri V.
We show that for supersymmetric AdS vacua on Type IIA orientifolds with flux compactifications, the RR tadpole cancellation conditions can be completely relaxed, and then the four-dimensional N=1...
Ultrahigh-energy cosmic rays particle spectra from crypton decays (2005)
Ellis, Jonathan Richard, Mayes, V E, Nanopoulos, Dimitri V
We calculate the spectra of ultra-high-energy cosmic rays (UHECRs) in an explicit top-down model based on the decays of metastable neutral "crypton" states in a flipped SU(5) string model. For each...
Robust Limits on Lorentz Violation from Gamma-Ray Bursts (2005)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V, Sakharov, Alexander S, Sarkisyan-Grinbaum, E
We constrain the possibility of a non-trivial refractive index in free space corresponding to an energy-dependent velocity of light: c(E) \simeq c_0 (1 - E/M), where M is a mass scale that might...
Robust Limits on Lorentz Violation from Gamma-Ray Bursts (2005)
Ellis, John, Mavromatos, Nick E., Nanopoulos, Dimitri V., Sakharov, Alexander S., Sarkisyan, Edward K. G.
We constrain the possibility of a non-trivial refractive index in free space corresponding to an energy-dependent velocity of light: c(E) \simeq c_0 (1 - E/M), where M is a mass scale that might...
On the Higgs Mass in the CMSSM (2005)
Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Olive, Keith A, Santoso, Y
We estimate the mass of the lightest neutral Higgs boson h in the minimal supersymmetric extension of the Standard Model with universal soft supersymmetry-breaking masses (CMSSM), subject to the...
Standard-Like Model Building on Type II Orientifolds (2005)
Chen, Ching-Ming, Li, Tianjun, Nanopoulos, Dimitri V.
We construct new Standard-like models on Type II orientifolds. In Type IIA theory on $\mathbf{T^6/(\Z_2\times \Z_2)}$ orientifold with intersecting D6-branes, we first construct a three-family...
Liouville Cosmology at Zero and Finite Temperatures (2005)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V, Westmuckett, M
We discuss cosmology in the context of Liouville strings, characterized by a central-charge deficit Q^2, in which target time is identified with (the world-sheet zero mode of the) Liouville field:...
Grand unification and cosmology (2005)
Ellis, Jonathan Richard, Gaillard, Mary Katherin, Nanopoulos, Dimitri V
The authors show that there are many issues in which cosmology and grand unification do have things to say to each other, though the utility of some of the connections is not yet clear. (57 refs).
The fermion spectrum according to GUTs (2005)
Gauge theories seem to be nature's favourite candidate for describing correctly and elegantly the 'observed' (fundamental?) interactions. Among other things gauge theories are supposed to shed light...
The phenomenology of the next left-handed quarks (2005)
Ellis, Jonathan Richard, Gaillard, Mary Katherin, Nanopoulos, Dimitri V, Rudaz, S
The observation of gamma (9.5) suggests that the -onium of at least one new quark has been discovered. The production and decays of the lowest-lying vector states is discussed. Recent observations...
A phenomenological profile of the Higgs boson (2005)
Ellis, Jonathan Richard, Gaillard, Mary Katherin, Nanopoulos, Dimitri V
A discussion is given of the production, decay and observability of the scalar Higgs boson H expected in gauge theories of the weak and electromagnetic interactions such as the Weinberg-Salam model....
SU(3) properties of the new particles a problem for unified gauge theories? (2005)
Nanopoulos, Dimitri V, Ross, Graham G
It is shown that if the psi or the psi ' should have an SU(3) non- singlet piece this is incompatible with the 'conventional' unified gauge theory picture of a strong gauge group coupled to colour...
Nanopoulos, Dimitri V, Ross, Graham G
Rare decay modes of the K mesons are calculated for the Weinberg-Salam model of weak and electromagnetic interactions, assuming that the strong interactions are described by an asymptotically free...
Theory and Experiments on the "Quantum Mind" (2005)
Mershin, Andreas, Nanopoulos, Dimitri V.
This article is a short summary, in Greek, of work presented in English in the following articles: 1. Mershin et al. "Towards Experimental Tests of Quantum Effects in Cytoskeletal Proteins"...
Towards Experimental Tests of Quantum Effects in Cytoskeletal Proteins (2005)
Mershin, Andreas, Sanabria, Hugo, Miller, John H., Nawarathna, Dharmakeerthna, Skoulakis, Efthimios M. C., Mavromatos, Nikolaos E., ...
It has become increasingly evident that fabrication of novel biomaterials through molecular self-assembly is going to play a significant role in material science and possibly the information...
The String Coupling Accelerates the Expansion of the Universe (2005)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
Generic cosmological models in non-critical string theory have a time-dependent dilaton background at a late epoch. The cosmological deceleration parameter Q_0 is given by the square of the string...
The String Coupling Accelerates the Expansion of the Universe (2005)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
Generic cosmological models in non-critical string theory have a time-dependent dilaton background at a late epoch. The cosmological deceleration parameter Q_0 is given by the square of the string...
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
Liouville string theory is a natural framework for discussing the non-equilibrium evolution of the Universe. It enables non-critical strings to be treated in mathematically consistent manner, in...
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
Liouville string theory is a natural framework for discussing the non-equilibrium evolution of the Universe. It enables non-critical strings to be treated in mathematically consistent manner, in...
Cosmic Acceleration and the String Coupling (2004)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
In the context of a cosmological string model describing the propagation of strings in a time-dependent Robertson-Walker background space-time, we show that the asymptotic acceleration of the...
Beyond the Standard Model of Cosmology (2004)
Ellis, Jonathan Richard, Nanopoulos, Dimitri V
Recent cosmological observations of unprecented accuracy, by WMAP in particular, have established a `Standard Model' of cosmology, just as LEP established the Standard Model of particle physics. Both...
Beyond the Standard Model of Cosmology (2004)
Ellis, Jonathan Richard, Nanopoulos, Dimitri V
Recent cosmological observations of unprecented accuracy, by WMAP in particular, have established a `Standard Model' of cosmology, just as LEP established the Standard Model of particle physics. Both...
Brany Liouville Inflation (2004)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V, Sakharov, A
We present a specific model for cosmological inflation driven by the Liouville field in a non-critical supersymmetric string framework, in which the departure from criticality is due to open strings...
Flipped Cryptons and the UHECRs (2004)
Ellis, Jonathan Richard, Mayes, V E, Nanopoulos, Dimitri V
Cryptons are metastable bound states of fractionally-charged particles that arise generically in the hidden sectors of models derived from heterotic string. We study their properties and decay modes...
Mershin, Andreas, Kolomenski, Alexandre A., Schuessler, Hans A., Nanopoulos, Dimitri V.
We used computer simulation to calculate the electric dipole moments of the alpha and beta tubulin monomers and dimer and found those to be |palpha|=552D, |pbeta|=1193D and |palpha-beta|=1740D...
Diffractive elastic neutrino production of vector mesons (2004)
Gaillard, Mary Katherin, Jackson, S A, Nanopoulos, Dimitri V
On the weak decays of high mass hadrons (2004)
Ellis, Jonathan Richard, Gaillard, Mary Katherin, Nanopoulos, Dimitri V
Learning and Memory Deficits Upon TAU Accumulation in Drosophila Mushroom Body Neurons (2004)
Mershin, Andreas, Pavlopoulos, Elias, Fitch, Olivia, Braden, Brittany C., Nanopoulos, Dimitri V., Skoulakis, Efthimios M.C.
Mutations in the neuronal-specific microtubule-binding protein TAU are associated with several dementias and neurodegenerative diseases. However, the effects of elevated TAU accumulation on...
Space-Time Foam may Violate the Principle of Equivalence (2003)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V, Sakharov, Alexander S
The interactions of different particle species with the foamy space-time fluctuations expected in quantum gravity theories may not be universal, in which case different types of energetic particles...
Space-Time Foam may Violate the Principle of Equivalence (2003)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V, Sakharov, Alexander S
The interactions of different particle species with the foamy space-time fluctuations expected in quantum gravity theories may not be universal, in which case different types of energetic particles...
Synchrotron Radiation and Quantum Gravity (2003)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V, Sakharov, A
Photons may evade a synchrotron radiation constraint on quantum gravity by violating the equivalence principle.
Universal Calabi-Yau Algebra: Classification and Enumeration of Fibrations (2002)
Anselmo, F, Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Volkov, G
We apply a universal normal Calabi-Yau algebra to the construction and classification of compact complex $n$-dimensional spaces with SU(n) holonomy and their fibrations. This algebraic approach...
The advantages of Flipped SU(5) over conventional Supersymmetric GUTs, like SU(5), are discussed. Recent values of the strong coupling at M_Z, sin-squared theta-Weinberg, g-2 of the muon, and the...
Quantum-Gravity Analysis of Gamma-Ray Bursts using Wavelets (2002)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V, Sakharov, Alexander S
In some models of quantum gravity, space-time is thought to have a foamy structure with non-trivial optical properties. We probe the possibility that photons propagating in vacuum may exhibit a...
Impact of Low-Energy Constraints on Lorentz Violation (2002)
Ellis, Jonathan Richard, Gravanis, E, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We extend previous analyses of the violation of Lorentz invariance induced in a non-critical string model of quantum space-time foam, discussing the propagation of low-energy particles through a...
Universal Calabi-Yau Algebra: Towards an Unification of Complex Geometry (2002)
Anselmo, F, Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Volkov, G
We present a universal normal algebra suitable for constructing and classifying Calabi-Yau spaces in arbitrary dimensions. This algebraic approach includes natural extensions of reflexive weight...
Valleys in String Foam Suppress Quantum Coherence (2002)
Mavromatos, Nikolaos E, Nanopoulos, Dimitri V, Ellis, Jonathan Richard
We exhibit string contributions to the $\nd{S}$ matrix relating in- and out- state density matrices that do not factorize as a product of $S$ and $S^\dagger$ matrices. They are associated with valley...
A String Derivation of the $\nd{S}$ matrix (2002)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We show that, in string theory, as a result of the $W_{\infty}$-symmetries that preserve quantum coherence in the {\it full} string theory by coupling different mass levels, transitions between...
A String Derivation of the $\nd{S}$ matrix (2002)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We show that, in string theory, as a result of the $W_{\infty}$-symmetries that preserve quantum coherence in the {\it full} string theory by coupling different mass levels, transitions between...
Measuring the $W$-hair of String Black Holes (2002)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We have argued previously that the infinitely many gauge symmetries of string theory provide an infinite set of conserved (gauge) quantum numbers ($W$-hair) which characterise black hole states and...
The Origin of Space-Time as $W$ Symmetry Breaking in String Theory (2002)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
Physics in the neighbourhood of a space-time metric singularity is described by a world-sheet topological gauge field theory which can be represented as a twisted $N=2$ superconformal Wess-Zumino...
Supersymmetry Tests at Fermilab (2002)
López, J, Zichichi, Antonino, Wang, X, Nanopoulos, Dimitri V
We compute the number of trilepton events to be expected at Fermilab as a result of the reaction $p\bar p\to\chi^\pm_1\chi^0_2X$, where $\chi^\pm_1$ is the lightest chargino and $\chi^0_2$ is the...
Flipped Heavy Neutrinos from the Solar Neutrino Problem to Baryogenesis (2002)
Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Olive, Keith A
We discuss baryogenesis using the flipped $SU(5)$ model for lepton mass matrices. We show that the generalized see-saw mechanism in this model can not only provide MSW neutrino mixing suitable for...
Intersecting Branes Flip SU(5) (2002)
Ellis, Jonathan Richard, Kanti, Panagiota, Nanopoulos, Dimitri V
Within a toroidal orbifold framework, we exhibit intersecting brane-world constructions of flipped SU(5) \times U(1) GUT models with various numbers of generations, other chiral matter...
The prospects for CHORUS and NOMAD in the light of COBE and GALLEX (2002)
Ellis, Jonathan Richard, López, J M, Nanopoulos, Dimitri V
The most natural MSW neutrino oscillation interpretation of the GALLEX and other solar neutrino data, which invokes $m_{\nu_\mu}\sim3\times10^{-3}\eV$, and a general GUT see-saw hierarchy of neutrino...
Flipping SU(5) out of Trouble (2002)
Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Walker, J
Minimal supersymmetric SU(5) GUTs are being squeezed by the recent values of alpha_s, sin^2 theta_W, the lower limit on the lifetime for p to nubar K decay, and other experimental data. We show how...
Lower Limits on Soft Supersymmetry-Breaking Scalar Masses (2001)
Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Olive, Keith A
Working in the context of the CMSSM, we argue that phenomenological constraints now require the universal soft supersymmetry-breaking scalar mass m_0 be non-zero at the input GUT scale. This...
Noncritical Liouville string escapes constraints on generic models of quantum gravity (2001)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
It has recently been pointed out that generic models of quantum gravity must contend with severe phenomenological constraints imposed by gravitational Cerenkov radiation, neutrino oscillations and...
Dark Matter Direct Searches and the Anomalous Magnetic Moment of Muon (2001)
Lahanas, Athanasios B, Nanopoulos, Dimitri V, Spanos, V C
In the framework of the Constrained Minimal Supersymmetric Standard Model (CMSSM) we discuss the impact of the recent experimental information, especially from E821 Brookhaven experiment on...
String Theory and an Accelerating Universe (2001)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
An accelerating Universe can be accommodated naturally within non-critical string theory, in which scattering is described by a superscattering matrix \$ that does not factorize as a product of $S$-...
Moduli and Kähler potential in fermionic strings (2001)
López, J L, Nanopoulos, Dimitri V, Yuan, K
We study the problem of identifying the moduli fields in fermionic four-dimensional string models. We deform a free-fermionic model by introducing exactly marginal operators in the form of Abelian...
Combining the Muon Anomalous Magnetic Moment with other Constraints on the CMSSM (2001)
Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Olive, Keith A
We combine the constraint suggested by the recent BNL E821 measurement of the anomalous magnetic moment of the muon on the parameter space of the constrained MSSM (CMSSM) with those provided...
Space-time foam effects on particle interactions and the Greisen-Zatsepin-Kuzmin cutoff (2000)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
Modelling space-time foam using a non-critical Liouville-string model for the quantum fluctuations of D branes with recoil, we discuss the issues of momentum and energy conservation in particle...
What if the Higgs Boson Weighs 115 GeV? (2000)
Ellis, Jonathan Richard, Ganis, G, Nanopoulos, Dimitri V, Olive, Keith A
If the Higgs boson indeed weighs about 114 to 115 GeV, there must be new physics beyond the Standard Model at some scale \la 10^6 GeV. The most plausible new physics is supersymmetry, which predicts...
Flat Directions in Flipped SU(5); 1, All-Order Analysis (2000)
Cleaver, G B, Ellis, Jonathan Richard, Nanopoulos, Dimitri V
We present a systematic classification of field directions for the string-derived flipped SU(5) model that are D- and F-flat to all orders. Properties of the flipped SU(5) model with field values in...
How Large are Dissipative Effects in Non-Critical Liouville String Theory? (2000)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
In the context of non-critical Liouville strings, we clarify why we expect non-quantum-mechanical dissipative effects to be of order E^2/M_P, where E is a typical energy scale of the probe, and M_P...
Results from an Algebraic Classification of Calabi-Yau Manifolds (2000)
Anselmo, F, Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Volkov, G
We present results from an inductive algebraic approach to the systematic construction and classification of the `lowest-level' CY3 spaces defined as zeroes of polynomial loci associated with...
Dynamical Formation of Horizons in Recoiling D Branes (2000)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
A toy calculation of string/D-particle interactions within a world-sheet approach indicates that quantum recoil effects - reflecting the gravitational back-reaction on space-time foam due to the...
Is Nothing Sacred? Vacuum Energy, Supersymmetry and Lorentz Breaking from Recoiling D branes (2000)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
Classical superstring vacua have zero vacuum energy and are supersymmetric and Lorentz-invariant. We argue that all these properties may be destroyed when quantum aspects of the interactions between...
Implications of the recent "e$^{+}e^{-}\rightarrow$ hadron + X" data on the leptonic world (2000)
Nanopoulos, Dimitri V, Vlassopulos, S D P
The authors examine phenomenologically the reaction e/sup +/e/sup -/ producing hadrons+X, in the light of new CEA and SPEAR data. (14 refs) .
Towards an Algebraic Classification of Calabi-Yau Manifolds; 1, Study of K3 Spaces (2000)
Anselmo, F, Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Volkov, G
We present an inductive algebraic approach to the systematic construction andclassification of generalized Calabi-Yau (CY) manifolds in different numbers ofcomplex dimensions, based on Batyrev's...
Charged-lepton-flavour violation in the light of the super-Kamiokande data (1999)
Ellis, Jonathan Richard, Gómez, M E, Leontaris, George K, Lola, S, Nanopoulos, Dimitri V
Motivated by the data from Super-Kamiokande and elsewhere indicating oscillations of atmospheric and solar neutrinos, we study charged-lepton-flavour violation, in particular the radiative decays mu...
Gravitational-recoil effects on fermion propagation in space-time foam (1999)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V, Volkov, G
Motivated by the possible experimental opportunities to test quantum gravity via its effects on high-energy neutrinos propagating through space-time foam, we discuss how to incorporate spin...
Probing Models of Quantum Space-Time Foam (1999)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We review the possibility that quantum fluctuations in the structure of space-time at the Planck scale might be subject to experimental probes. We study the effects of space-time foam in an approach...
Astrophysical Probes of the Constancy of the Velocity of Light (1999)
Ellis, Jonathan Richard, Farakos, K, Mavromatos, Nikolaos E, Mitsou, V A, Nanopoulos, Dimitri V
We discuss possible tests of the constancy of the velocity of light using distant astrophysical sources such as gamma-ray bursters (GRBs), Active Galactic Nuclei (AGNs) and pulsars. This speculative...
Light-Cone Broadening and TeV Scale Extra Dimensions (1999)
Campbell-Smith, A, Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We examine the effect of light--cone broadening induced by quantum--gravity foam in the context of theories with ``large'' extra dimensions stretching between two parallel brane worlds. We consider...
A Microscopic Recoil Model for Light-Cone Fluctuations in Quantum Gravity (1999)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We present a microscopic model for light-cone fluctuations ``in vacuo'', which incorporates a treatment of quantum-gravitational recoil effects induced by energetic particles. Treating defects in...
Search for Quantum Gravity (1999)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
A satisfactory theory of quantum gravity may necessitate a drastic modification of our perception of space-time, by giving it a foamy structure at distances comparable to the Planck length. It is...
Quantum-Gravitational Diffusion and Stochastic Fluctuations in the Velocity of Light (1999)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We argue that quantum-gravitational fluctuations in the space-time background give the vacuum non-trivial optical properties that include diffusion and consequent uncertainties in the arrival times...
Tests of the equivalence principle with neutral kaons (1999)
Apostolakis, Alcibiades J, Aslanides, Elie, Backenstoss, Gerhard, Bargassa, P, Behnke, O, Benelli, A, ...
We test the Principle of Equivalence for particles and antiparticles, using CPLEAR data on tagged Pkao and Pkab decays into $pi^+ pi^-$. For the first time, we search for possible annual, monthly and...
Leptogenesis in the Light of Super-Kamiokande Data and a Realistic String Model (1999)
Ellis, Jonathan Richard, Lola, S, Nanopoulos, Dimitri V
We discuss leptogenesis in the light of indications of neutrino masses and mixings from Super-Kamiokande and other data on atmospheric neutrinos, as well as the solar neutrino deficit. Neutrino...
Berglund, P, Ellis, Jonathan Richard, Faraggi, A E, Nanopoulos, Dimitri V, Qiu, Z
We study the elliptic fibrations of some Calabi-Yau three-folds, including the $Z_2\times Z_2$ orbifold with $(h_{1,1},h_{2,1})=(27,3)$, which is equivalent to the common framework of realistic...
Time-Dependent Vacuum Energy Induced by $D$-Particle Recoil (1998)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We consider cosmology in the framework of a `material reference system' of D particles, including the effects of quantum recoil induced by closed-string probe particles. We find a time-dependent...
Sensitivity of Astrophysical Observations to Gravity-Induced Wave Dispersion in Vacuo (1998)
Amelino-Camelia, G, Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V, Sarkar, S
We discuss possible signatures of quantum gravity for the propagation of light, including an energy-dependent velocity (refractive index), dispersion in velocity at a given energy, and birefringence....
Neutrino Textures in the Light of Super-Kamiokande Data and a Realistic String Model (1998)
Ellis, Jonathan Richard, Leontaris, George K, Lola, S, Nanopoulos, Dimitri V
Motivated by the Super-Kamiokande atmospheric neutrino data, we discuss possible textures for Majorana and Dirac neutrino masses within the see-saw framework. The main purposes of this paper are...
A Microscopic Liouville Arrow of Time (1998)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We discuss the treatment of quantum-gravitational fluctuations in the space-time background as an `environment', using the formalism for open quantum-mechanical systems, which leads to a microscopic...
World-Sheet formulation of M theory (1998)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We first review the interpretation of world-sheet defects as $D$ branes described by a critical theory in 11 dimensions, that we interpret as $M$ theory. We then show that $D$-brane recoil induces...
World-Sheet formulation of M theory (1998)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We first review the interpretation of world-sheet defects as $D$ branes described by a critical theory in 11 dimensions, that we interpret as $M$ theory. We then show that $D$-brane recoil induces...
Toward the M(F)--Theory Embedding of Realistic Free-Fermion Models (1998)
Berglund, P, Ellis, Jonathan Richard, Faraggi, A E, Nanopoulos, Dimitri V, Qiu, Z
We construct a Landau-Ginzburg model with the same data and symmetries as a $Z_2\times Z_2$ orbifold that corresponds to a class of realistic free-fermion models. Within the class of interest, we...
Natural Candidates for Superheavy Dark Matter in String and M Theory (1998)
Benakli, Karim, Ellis, Jonathan Richard, Nanopoulos, Dimitri V
We reconsider superheavy dark matter candidates in string and M theory, in view of the possibility that inflation might generate superheavy particles with an abundance close to that required for a...
Natural Candidates for Superheavy Dark Matter in String and M Theory (1998)
Benakli, Karim, Ellis, John, Nanopoulos, Dimitri V.
We reconsider superheavy dark matter candidates in string and M theory, in view of the possibility that inflation might generate superheavy particles with an abundance close to that required for a...
Irreversible Time Flow in a Two-Dimensional Dilaton Black Hole with Matter (1997)
Diamandis, G A, Ellis, Jonathan Richard, Georgalas, B C, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V, Papantonopoulos, E
We show that an exact solution of two-dimensional dilaton gravity with matter discovered previously exhibits an irreversible temporal flow towards flat space with a vanishing cosmological constant....
Potential Sensitivity of Gamma-Ray Burster Observations to Wave Dispersion in Vacuo (1997)
Amelino-Camelia, G, Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V, Sarkar, S
The recent confirmation that gamma-ray bursters (GRBs) are indeed at cosmological distances raises the possibility that observations of these could provide interesting constraints on the fundamental...
Fermion Mass Textures in an M-Inspired Flipped SU(5) Model Derived from String (1997)
Ellis, Jonathan Richard, Leontaris, George K, Lola, S, Nanopoulos, Dimitri V
We are inspired by the facts that M-theory may reconcile the supersymmetric GUT scale with that of quantum gravity, and that it provides new avenues for low-energy supersymmetry breaking, to...
Decoherent Scattering of Light Particles in a D-Brane Background (1997)
Ellis, Jonathan Richard, Kanti, Panagiota, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V, Winstanley, E
We discuss the scattering of two light particles in a D-brane background. It is known that, if one light particle strikes the D brane at small impact parameter, quantum recoil effects induce...
Recent developments involving strongly coupled superstrings are discussed from a phenomenological point of view. In particular, strongly coupled $E_8\times E'_8$ is described as an appropriate...
M-Theory Model-Building and Proton Stability (1997)
Ellis, Jonathan Richard, Faraggi, A E, Nanopoulos, Dimitri V
We study the problem of baryon stability in M theory, starting from realistic four-dimensional string models constructed using the free-fermion formulation of the weakly-coupled heterotic string....
Light-Gravitino Production at Hadron Colliders (1997)
Kim, J, López, J L, Nanopoulos, Dimitri V, Rangarajan, R, Zichichi, Antonino
We consider the production of gravitinos ($\widetilde G$) in association with gluinos ($\tilde g$) or squarks ($\tilde q$) at hadron colliders, including the three main sub-processes: $q \bar q ->...
Vacuum Fluctuations and Decoherence in Mesoscopic and Microscopic Systems (1997)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We discuss recent experimental evidence of decoherence in a laboratory mesoscopic system in a cavity, from which we draw analogies with the decoherence that we argue is induced by microscopic...
M Theory from World-Sheet Defects in Liouville String (1997)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We have argued previously that black holes may be represented in a D-brane approach by monopole and vortex defects in a sine-Gordon field theory model of Liouville dynamics on the world sheet....
Quantum Decoherence in a D-Foam Background (1997)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
Within the general framework of Liouville string theory, we construct a model for quantum D-brane fluctuations in the space-time background through which light closed-string states propagate. The...
On the Space-Time Uncertainty Relations of Liouville Strings and D Branes (1997)
Amelino-Camelia, G, Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
Within a Liouville approach to non-critical string theory, we argue for a non-trivial commutation relation between space and time observables, leading to a non-zero space-time uncertainty relation...
Supersymmetry, Supergravity and $R_b$ revisited in the light of LEP 2 (1996)
Ellis, Jonathan Richard, López, J L, Nanopoulos, Dimitri V
A previous study of supersymmetric models has indicated that they are unlikely to make a large contribution to R_b. We revisit this analysis, taking into account the improved lower limits on...
Single-photon signals at LEP in supersymmetric models with a light gravitino (1996)
López, J, Nanopoulos, Dimitri V, Zichichi, Antonino
We study the single-photon signals expected at LEP in models with a very light gravitino. The dominant process is neutralino-gravitino production (e+e- -> chi+ G) with subsequent neutralino decay via...
Analysis of LEP Constraints on Supersymmetric Models with a Light Gravitino (1996)
Ellis, Jonathan Richard, López, J L, Nanopoulos, Dimitri V
We propose an analysis of LEP constraints on radiative neutralino decays into a light gravitino, based on the plane of the Higgs mixing parameter mu and the SU(2) gaugino mass M_2. The preliminary...
D-Brane Recoil Mislays Information (1996)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We discuss the scattering of a light closed-string state off a $D$ brane, taking into account quantum recoil effects on the latter, which are described by a pair of logarithmic operators. The...
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We discuss the possibility that CPT violation may appear as a consequence of microscopic decoherence due to quantum-gravity effects, that we describe using a density-matrix formalism motivated by our...
Distance measurement and wave dispersion in a Liouville-string approach to quantum gravity (1996)
Amelino-Camelia, G, Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
Within a Liouville approach to non-critical string theory, we discuss space-time foam effects on the propagation of low-energy particles. We find an induced frequency-dependent dispersion in the...
D-branes from Liouville strings (1996)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We develop quantization aspects of our Liouville approach to non-critical strings, proposing a path-integral formulation of a second quantization of string theory, that incorporates naturally the...
Quantum decoherence in a four-dimensional black hole background (1996)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V, Winstanley, E
We display a logarithmic divergence in the density matrix of a scalar field in the presence of an Einstein-Yang-Mills black hole in four dimensions. This divergence is related to a previously-found...
Experimental constraints on a stringy SU(5) x SU(1) model (1996)
López, J, Nanopoulos, Dimitri V, Zichichi, Antonino
We re-examine the phenomenological aspects of a recently proposed string-derived SU(5)\timesU(1) one-parameter supergravity model, and explore the sensitivity of the model predictions to variations...
Supersymmetry and R$_{b}$ in the light of LEP 1.5 (1995)
Ellis, Jonathan Richard, López, J, Nanopoulos, Dimitri V
We re-examine the possible magnitude of the supersymmetric contribution to R_b\equiv\Gamma(Z^0\to\bar b b)/\Gamma(Z^0\to{\rm all}) in the light of the constraints imposed by the absence of light...
Test of CPT symmetry and quantum mechanics with experimental data from CPLEAR (1995)
Adler, R, Angelopoulos, Angelos, Apostolakis, Alcibiades J, Aslanides, Elie, Backenstoss, Gerhard, Bee, C P, ...
We use fits to recent published CPLEAR data on neutral kaon decays to \pi^+\pi^- and \pi e\nu to constrain the CPT--violation parameters appearing in a formulation of the neutral kaon system as an...
Lowering $\alpha_{s}$ by flipping SU(5) (1995)
Ellis, Jonathan Richard, López, J, Nanopoulos, Dimitri V
We show that the prediction for \alpha_s(M_Z) in flipped SU(5) is naturally lower than in minimal SU(5), and that the former can accommodate the full range of \alpha_s(M_Z) presently allowed by...
Experimental tests of CPT symmetry and quantum mechanics at CPLEAR (1995)
Mavromatos, Nikolaos E, Ellis, Jonathan Richard, López, J L, Nanopoulos, Dimitri V, Adler, R, Alhalel, T, ...
We review a phenomenological parametrization of an open quantum-mechanical formalism for CPT violation in the neutral kaon system, and constrain the parameters using fits to recent CPLEAR data.
R$_{b}$ in supersymmetric models (1995)
Wang, X, Nanopoulos, Dimitri V, López, J
We compute the supersymmetric contribution to R_{b}\equiv \Gamma (Z\to b{\bar b})/\Gamma (Z\to {\rm hadrons}) in a variety of supersymmetric models. In the context of supergravity models with...
On the thermal regeneration rate for light gravitinos in the early universe (1995)
Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Olive, Keith A, Rey, S J
We investigate the light gravitino regeneration rate in the early Universe in models based on N=1 supergravity. Motivated by a recent claim by Fischler, we evaluate finite-temperature effects on the...
Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
Microtubule (MT) networks, subneural paracrystalline cytosceletal structures, seem to play a fundamental role in the neurons. We cast here the complicated MT dynamics in the form of a 1+1-dimensional...
Theory of brain function, quantum mechanics and superstrings (1995)
Recent developments/efforts to understand aspects of the brain function at the {\em sub-neural} level are discussed. MicroTubules (MTs) participate in a wide variety of dynamical processes in the...
Precision tests of CPT symmetry and quantum mechanics in the neutral kaon system (1995)
Ellis, Jonathan Richard, López, J L, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We present a systematic phenomenological analysis of the tests of CPT symmetry that are possible within an {\em open} quantum-mechanical description of the neutral kaon system that is motivated by...
A string scenario for inflationary cosmology (1995)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We describe a scenario for inflation in the framework of non-critical string theory, which does not employ an inflaton field. There is an exponential expansion of the volume of the Universe, induced...
A string no-scale supergravity model and its experimental consequences (1995)
López, J, Nanopoulos, Dimitri V, Zichichi, Antonino
We propose a string-derived model based on the gauge group SU(5)\times U(1) which satisfies the stringent constraints from no-scale supergravity, allows gauge coupling unification at the string...
Number of generations in free fermionic string models (1995)
Giannakis, I, Nanopoulos, Dimitri V, Yuan, K
In string theory there seems to be an intimate connection between spacetime and world-sheet physics. Following this line of thought we investigate the family problem in a particular class of string...
A new cosmological constant model (1995)
López, J L, Nanopoulos, Dimitri V
We propose a new cosmological model with a time-dependent cosmological constant (\Lambda\propto 1/t^2), which starting at the Planck time as \Lambda_{Pl}\sim M^2_{Pl}, evolves to the present-day...
R$_{b}$ in supergravity models (1995)
Wang, X, López, J L, Nanopoulos, Dimitri V
We compute the supersymmetric contribution to R_{b}\equiv \Gamma (Z\to b{\bar b})/\Gamma (Z\to {\rm hadrons}) in a variety of supergravity models. We find R^{\rm susy}_b\lsim0.0004, which does not...
Supersymmetry dileptons and trileptons at the Tevatron (1995)
López, J, Nanopoulos, Dimitri V, Wang, X, Zichichi, Antonino
We consider the production of supersymmetry neutralinos and charginos in p\bar p collisions at the Tevatron, and their subsequent decay via hadronically quiet dileptons and trileptons. We perform our...
Direct detection of dark matter in SU(5) x U(1) supergravity (1994)
Wang, X, López, J L, Nanopoulos, Dimitri V
We compute the scattering rates for the lightest neutralino \chi^0_1 in the forthcoming germanium (^{73}{\rm Ge}+^{76}{\rm Ge}) detector and a proposed lead detector (^{207}{\rm Pb}), within the...
The march towards no-scale supergravity (1994)
The different steps that led us to the discovery of {\em no-scale supergravity} are discussed from a very personal point of view. No-scale supergravity has been heralded as the most promising...
New phenomena in the standard no-scale supergravity model (1994)
Kelley, S, Zichichi, Antonino, Nanopoulos, Dimitri V, López, J L
We revisit the no-scale mechanism in the context of the simplest no-scale supergravity extension of the Standard Model. This model has the usual five-dimensional parameter space plus an additional...
New phenomena in the standard no-scale supergravity model (1994)
Kelley, S, López, J L, Nanopoulos, Dimitri V, Zichichi, Antonino
We revisit the no-scale mechanism in the context of the simplest no-scale supergravity extension of the Standard Model. This model has the usual five-dimensional parameter space plus an additional...
Supersymmetry in underground labs and $\nu$-telescopes (1994)
Anselmo, F, Cifarelli, Luisa, Nanopoulos, Dimitri V, Petermann, Andreas, Zichichi, Antonino
New constraints on supergravity models from b --> s$\gamma$ (1994)
López, J L, Nanopoulos, Dimitri V, Wang, X, Zichichi, Antonino
We perform a detailed study of the constraints from b\to s\gamma on a large class of supergravity models, including generic four-parameter supergravity models, the minimal SU(5) supergravity model,...
A light stop and its consequences at the Tevatron and LEP II (1994)
López, J L, Nanopoulos, Dimitri V, Zichichi, Antonino
An interesting prediction of a string-inspired {\em one-parameter} SU(5)\times U(1) supergravity model, is the fact that the lightest member (\tilde t_1) of the top-squark doublet (\tilde t_1,\tilde...
A rather simple and non-technical exposition of our new approach to {\em Time, Quantum Physics, Black-Hole dynamics}, and {\em Cosmology}, based on non-critical string theory, is provided. A new...
A rather simple and non-technical exposition of our new approach to {\em Time, Quantum Physics, Black-Hole dynamics}, and {\em Cosmology}, based on non-critical string theory, is provided. A new...
Some physical aspects of Liouville string dynamics (1994)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We discuss some physical aspects of our Liouville approach to non-critical strings, including the emergence of a microscopic arrow of time, effective field theories as classical ``pointer'' states in...
A non-critical string approach to black holes, time and quantum dynamics (1994)
Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Mavromatos, Nikolaos E
We review our approach to time and quantum dynamics based on non-critical string theory, developing its relationship to previous work on non-equilibrium quantum statistical mechanics and the...
A non-critical string approach to black holes, time and quantum dynamics (1994)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We review our approach to time and quantum dynamics based on non-critical string theory, developing its relationship to previous work on non-equilibrium quantum statistical mechanics and the...
The top-quark mass in SU(5) x U(1) supergravity (1994)
López, J L, Nanopoulos, Dimitri V, Zichichi, Antonino
We show that the currently experimentally preferred values of the top-quark mass (\ie, $130\lsim m_t\lsim180\GeV$) are naturally understood in the context of string models, where the top-quark Yukawa...
Experimental aspects of $SU(5) X U(1)$ supergravity (1994)
López, J L, Nanopoulos, Dimitri V, Park, G T, Wang, X, Zichichi, Antonino
We study various aspects of $SU(5)\times U(1)$ supergravity as they relate to the experimental verification or falsification of this model. We consider two string-inspired, universal, one-parameter,...
An Infinite Dimensional Symmetry Algebra in String Theory (1994)
Evans, M, Giannakis, I, Nanopoulos, Dimitri V
Symmetry transformations of the space-time fields of string theory are generated by certain similarity transformations of the stress-tensor of the associated conformal field theories. This...
A Liouville string approach to microscopic time and cosmology (1993)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
In the non-critical string framework that we have proposed recently, the time $t$ is identified with a dynamical local renormalization group scale, the Liouville mode, and behaves as a statistical...
First constraints on SU(5) x U(1) supergravity from trilepton searches at the Tevatron (1993)
López, J L, Nanopoulos, Dimitri V, Park, G T, Wang, X, Zichichi, Antonino
New precision electroweak tests of SU(5) x U(1) supergravity (1993)
López, J L, Nanopoulos, Dimitri V, Park, G T, Zichichi, Antonino
We explore the one-loop electroweak radiative corrections in $SU(5)\times U(1)$ supergravity via explicit calculation of vacuum-polarization and vertex-correction contributions to the $\epsilon_1$...
Scrutinizing supergravity models through neutrino telescopes (1993)
Gandhi, R, López, J L, Nanopoulos, Dimitri V, Yuan, K, Zichichi, Antonino
Galactic halo neutralinos ($\chi$) captured by the Sun or Earth produce high-energy neutrinos as end-products of various annihilation modes. These neutrinos can travel from the Sun or Earth cores to...
Large (g-2)$_{\mu}$ in SU(5) x U(1) supergravity models (1993)
López, J L, Nanopoulos, Dimitri V, Wang, X
We compute the supersymmetric contribution to the anomalous magnetic moment of the muon within the context of $SU(5)\times U(1)$ supergravity models. The largest possible contributions to...
The strongest experimental constraints on SU(5) x U(1) supergravity models (1993)
López, J L, Nanopoulos, Dimitri V, Park, G T, Zichichi, Antonino
Valleys in string foam suppress quantum coherence (1993)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
A string derivation of the super S matrix (1993)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
SUSY signals at HERA in the no-scale flipped SU(5) supergravity model (1993)
López, J L, Nanopoulos, Dimitri V, Wang, X, Zichichi, Antonino
Flipped angles and phases: a systematic study (1993)
Ellis, Jonathan Richard, López, J L, Nanopoulos, Dimitri V, Olive, Keith A
We discuss systematically the fermion mass and mixing matrices in a generic \linebreak field-theoretical flipped $SU(5)$ model, with particular applications to neutrino and baryon number-changing...
Perturbative QCD data are consistent with light gluinos (1993)
Ellis, Jonathan Richard, Ross, D A, Nanopoulos, Dimitri V
We discuss systematically the consistency of light gluinos with data on perturbative QCD from deep inelastic scattering, quarkonia, jets at LEP, and the total hadronic cross-section in ${e^+ e^-}$...
Sparticle and Higgs production and detection at LEP II in two supergravity models (1993)
López, J L, Nanopoulos, Dimitri V, Pois, H, Wang, X, Zichichi, Antonino
Workshop on Ten Years of SUSY Confronting Experiment (1993)
Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Savoy-Navarro, Aurore
CPT violation in string-modified quantum mechanics and the neutral kaon system (1992)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We show that $CPT$ is in general violated in a non-quantum-mechanical way in the effective low-energy theory derived from string theory, as a result of apparent world-sheet charge non-conservation...
Supersymmetry Tests at Fermilab: A Proposal (1992)
López, J L, Nanopoulos, Dimitri V, Wang, X, Zichichi, Antonino
We compute the number of trilepton events to be expected at Fermilab as a result of the reaction $p\bar p\to\chi^\pm_1\chi^0_2X$, where $\chi^\pm_1$ is the lightest chargino and $\chi^0_2$ is the...
Flipped heavy neutrinos: from the solar neutrino problem to baryogenesis (1992)
Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Olive, Keith A
Proton Decay and Cosmology Strongly Constrain the Minimal SU(5) Supergravity Model (1992)
López, J L, Nanopoulos, Dimitri V, Pois, H
We present the results of an extensive exploration of the five-dimensional parameter space of the minimal $SU(5)$ supergravity model, including the constraints of a long enough proton lifetime...
The string universe: high T$_{c}$ superconductor or quantum Hall conductor? (1992)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
Our answer is the latter. Space-time singularities, including the initial one, are described by world-sheet topological Abelian gauge theories with a Chern-Simons term. Their effective $N=2$...
String theory modifies quantum mechanics (1992)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We argue that the light particles in string theory obey an effective quantum mechanics modified by the inclusion of a quantum-gravitational friction term, induced by unavoidable couplings to...
Testing quantum mechanics in the neutral kaon system (1992)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
The neutral kaon system is a sensitive probe of quantum mechanics. We revive a parametrization of non-quantum-mechanical effects that is motivated by considerations of the nature of space-time foam,...
Workshop on Ten Years of SUSY Confronting Experiment (1992)
Nanopoulos, Dimitri V, Ellis, Jonathan Richard, Savoy-Navarro, Aurore
New constraints on neutralino dark matter in the supersymmetric standard model (1992)
Kelley, S, López, J L, Nanopoulos, Dimitri V, Pois, H, Yuan, K
We investigate the prospects for neutralino dark matter within the Supersymmetric Standard Model (SSM) including the constraints from universal soft supersymmetry breaking and radiative breaking of...
World-sheet duality, space-time foam, and the quantum fate of a stringy black hole (1992)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We interpret Minkowski black holes as world-sheet {\it spikes } which are related by world-sheet { \it duality} to {\it vortices } that correspond to Euclidean black holes. These world-sheet defects...
Aspects of radiative electroweak breaking in supergravity models (1992)
Kelley, S, López, J L, Nanopoulos, Dimitri V, Pois, H, Yuan, K
The origin of space-time as W symmetry breaking in string theory (1992)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
Constraints from gauge coupling unification on the scale of supersymmetry breaking (1992)
Ellis, Jonathan Richard, Kelley, S, Nanopoulos, Dimitri V
We reanalyze precision LEP data and coupling constant unification in the minimal supersymmetric $SU(5)$ model including the evolution of the gaugino masses. We derive general bounds on the primordial...
On the W-hair of string black holes and the singularity problem (1992)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We argue that the infinitely many gauge symmetries of string theory provide an infinite set of conserved (gauge) quantum numbers (W-hair) which characterise black hole states and maintain quantum...
Measuring the W-hair of string black holes (1992)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
Quantum Mechanics and Black Holes in Four-Dimensional String Theory (1992)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
In previous papers we have shown how strings in a two-dimensional target space reconcile quantum mechanics with general relativity, thanks to an infinite set of conserved quantum numbers, ``W-hair'',...
On the Evaporation of Black Holes in String Theory (1991)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
We show that, in string theory, the quantum evaporation and decay of black holes in two-dimensional target space is related to imaginary parts in higher-genus string amplitudes. These arise from the...
On the connection between quantum mechanics and the geometry of two-dimensional strings (1991)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
On the basis of an area-preserving symmetry in the phase space of a one-dimensional matrix model - believed to describe two-dimensional string theory in a black-hole background which also allows for...
The price of deriving the Standard Model from string (1991)
Antoniadis, Ignatios, Ellis, Jonathan Richard, Kelley, S, Nanopoulos, Dimitri V
4th International Superstring Workshop (1991)
Arnowitt, Richard Lewis, Bryan, Ronald, Duff, Michael J, Nanopoulos, Dimitri V
String threshold corrections and flipped SU(5) (1991)
Antoniadis, Ignatios, Ellis, Jonathan Richard, Lacaze, R, Nanopoulos, Dimitri V
Quantum coherence and two-dimensional black holes (1991)
Ellis, Jonathan Richard, Mavromatos, Nikolaos E, Nanopoulos, Dimitri V
Astrophysical constraints on massive unstable neutral relic particles (1991)
Ellis, Jonathan Richard, Gelmini, Graciela B, López, J L, Nanopoulos, Dimitri V, Sarkar, S
LEP data and the light gluino window (1991)
Antoniadis, Ignatios, Ellis, Jonathan Richard, Nanopoulos, Dimitri V
Comments on "Cosmological string solutions" (1991)
Antoniadis, Ignatios, Bachas, C P, Ellis, Jonathan Richard, Nanopoulos, Dimitri V
Phase transitions in QCD and string theory (1990)
Campbell, Bruce A, Ellis, Jonathan Richard, Kalara, S, Nanopoulos, Dimitri V, Olive, Keith A
Left-handed currents and CP violation (1990)
Ellis, Jonathan Richard, Gaillard, Mary Katherin, Nanopoulos, Dimitri V
Dark matter in the light of LEP (1990)
Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Roszkowski, Leszek, Schramm, David N
A new approach to supersymmetry breaking in superstring models (1990)
Antoniadis, Ignatios, Ellis, Jonathan Richard, Lahanas, Athanasios B, Nanopoulos, Dimitri V
An expanding universe in string theory (1990)
Antoniadis, Ignatios, Bachas, C P, Ellis, Jonathan Richard, Nanopoulos, Dimitri V
Scales in superstring models (1990)
Cohen, E, Ellis, Jonathan Richard, Enqvist, Kari, Nanopoulos, Dimitri V
On the possibility of avoiding singularities by dilaton emission (1990)
Antoniadis, Ignatios, Ellis, G F R, Ellis, Jonathan Richard, Kounnas, Costas, Nanopoulos, Dimitri V
Natural triplet-doublet splitting from supergravity (1990)
Kounnas, Costas, Nanopoulos, Dimitri V, Quirós, Mariano, Srednicki, M A
Search for supersymmetry at the $\overline{p}$p collider (1990)
Ellis, Jonathan Richard, Hagelin, John S, Nanopoulos, Dimitri V, Srednicki, M A
Low energy CP violation in broken supersymmetry (1990)
Del Águila, F, Grifols, J A, Méndez, A, Nanopoulos, Dimitri V, Srednicki, M A
Supergravity induced radiative SU(2) x U(1) breaking with light top quark and stable minimum (1990)
Kounnas, Costas, Lahanas, Athanasios B, Nanopoulos, Dimitri V, Quirós, Mariano
Low-energy behaviour of realistic locally-supersymmetric grand unified theories (1990)
Kounnas, Costas, Lahanas, Athanasios B, Nanopoulos, Dimitri V, Quirós, Mariano
Bottom lifetime, top mass and CP-violation in supersymmetric theories (1990)
Gérard, J M, Grimus, Walter, Masiero, A, Nanopoulos, Dimitri V, Raychaudhuri, A K
Gaugino masses and grand unification (1990)
Ellis, Jonathan Richard, Enqvist, Kari, Nanopoulos, Dimitri V, Tamvakis, Kyriakos
No-scale supergravity models with a Planck mass gravitino (1990)
Ellis, Jonathan Richard, Kounnas, Costas, Nanopoulos, Dimitri V
Light Higgs bosons and supersymmetry (1990)
Ellis, Jonathan Richard, Enqvist, Kari, Nanopoulos, Dimitri V, Ritz, S
Superstring compactification and supersymmetry breaking (1990)
Cohen, E, Ellis, Jonathan Richard, Gómez, C, Nanopoulos, Dimitri V
Cosmological constraints on supergravity models (1990)
Ellis, Jonathan Richard, Hagelin, John S, Nanopoulos, Dimitri V
Non compact symmetries and vanishing of the cosmological constant (1990)
Antoniadis, Ignatios, Kounnas, Costas, Nanopoulos, Dimitri V
Squark decays into gauginos at the p$\overline{p}$ collider (1990)
Baer, Howard W, Ellis, Jonathan Richard, Gelmini, Graciela B, Nanopoulos, Dimitri V, Tata, Xerxes
Alternative superstring compactifications will not give new low-energy models (1990)
Campbell, Bruce A, Ellis, Jonathan Richard, Nanopoulos, Dimitri V
Flipped SU(5) from manifold compactification of the ten-dimensional heterotic string (1990)
Campbell, Bruce A, Ellis, Jonathan Richard, Hagelin, John S, Nanopoulos, Dimitri V, Ticciati, R
Aspects of the super-unification of strong, electroweak and gravitational interactions (1990)
Ellis, Jonathan Richard, Enqvist, Kari, Nanopoulos, Dimitri V, Zwirner, Fabio
Phenomenological SU(1,1) supergravity (1990)
Ellis, Jonathan Richard, Kounnas, Costas, Nanopoulos, Dimitri V
Gaugino masses from radiative corrections in superstring models (1990)
Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Quirós, Mariano, Zwirner, Fabio
Baryogenesis and entropy generation in a superstring model (1990)
Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Olive, Keith A
Comments on intermediate-scale models (1990)
Ellis, Jonathan Richard, Enqvist, Kari, Nanopoulos, Dimitri V, Olive, Keith A
Supersymmetry breaking in the observable sector of superstring models (1990)
Ellis, Jonathan Richard, Lahanas, Athanasios B, Nanopoulos, Dimitri V, Quirós, Mariano, Zwirner, Fabio
Supersymmetric flipped SU(5) revitalized (1990)
Antoniadis, Ignatios, Ellis, Jonathan Richard, Hagelin, John S, Nanopoulos, Dimitri V
Can the superstring inspire the standard model? (1990)
Ellis, Jonathan Richard, Enqvist, Kari, Nanopoulos, Dimitri V, Olive, Keith A
Neutral currents within and beyond the standard model (1990)
Costa, G, Ellis, Jonathan Richard, Fogli, G L, Nanopoulos, Dimitri V, Zwirner, Fabio
Superstring models challenged by rare processes (1990)
Campbell, Bruce A, Ellis, Jonathan Richard, Enqvist, Kari, Gaillard, Mary Katherin, Nanopoulos, Dimitri V
Kähler-curvature effects can solve the initial condition problem in inflation (1990)
Enqvist, Kari, Nanopoulos, Dimitri V, Papantonopoulos, E, Tamvakis, Kyriakos
Indirect searches for leptoquarks at present and future colliders (1990)
Dreiner, H, Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Tracas, Nicholas D, Vlachos, N D
Supercosmology revitalized (1990)
Campbell, Bruce A, Ellis, Jonathan Richard, Hagelin, John S, Nanopoulos, Dimitri V, Olive, Keith A
Baryon number generation in a flipped SU(5) x U(1) model (1990)
Campbell, Bruce A, Ellis, Jonathan Richard, Hagelin, John S, Nanopoulos, Dimitri V, Olive, Keith A
More flipped SU(5) x U(1) baryosynthesis (1990)
Ellis, Jonathan Richard, Hagelin, John S, Nanopoulos, Dimitri V, Olive, Keith A
Can Q-balls save the universe from intermediate-scale phase transitions? (1990)
Ellis, Jonathan Richard, Enqvist, Kari, Nanopoulos, Dimitri V, Olive, Keith A
Wormhole effects on the masses of spin-0 bosons and spin-1/2 fermions (1990)
Ellis, Jonathan Richard, Floratos, Emmanuel G, Nanopoulos, Dimitri V
Universality of the mass spectrum in closed string models (1990)
Antoniadis, Ignatios, Ellis, Jonathan Richard, Nanopoulos, Dimitri V
Aspects of the flipped unification of strong, weak and electromagnetic interactions (1990)
Ellis, Jonathan Richard, Hagelin, John S, Kelley, S, Nanopoulos, Dimitri V
A very light gravitino in a no-scale model (1990)
Ellis, Jonathan Richard, Enqvist, Kari, Nanopoulos, Dimitri V
Aspects of CP violation in supersymmetric theories (1990)
Gérard, J M, Grimus, Walter, Masiero, A, Nanopoulos, Dimitri V, Raychaudhuri, A K
Towards a supersymmetric cosmology (1990)
Ellis, Jonathan Richard, Enqvist, Kari, Gelmini, Graciela B, Kounnas, Costas, Masiero, A, Nanopoulos, Dimitri V, ...
Problems for (2,0) compactifications (1990)
Ellis, Jonathan Richard, Enqvist, Kari, Nanopoulos, Dimitri V, Olive, Keith A, Quirós, Mariano, Zwirner, Fabio
Primordial two-component maximally symmetric inflation (1990)
Enqvist, Kari, Nanopoulos, Dimitri V, Quirós, Mariano, Kounnas, Costas
Superstring dark matter (1990)
Campbell, Bruce A, Ellis, Jonathan Richard, Enqvist, Kari, Nanopoulos, Dimitri V, Hagelin, John S, Olive, Keith A
Higgs mixing in supergravity (1990)
Ellis, Jonathan Richard, Enqvist, Kari, Nanopoulos, Dimitri V, Tamvakis, Kyriakos
World sheet instanton effects on no-scale structure (1990)
Ellis, Jonathan Richard, Gómez, C, Nanopoulos, Dimitri V, Quirós, Mariano
Vanishing scalar masses in no-scale supergravity (1990)
Diamandis, G A, Ellis, Jonathan Richard, Lahanas, Athanasios B, Nanopoulos, Dimitri V
The low-energy effective field theory from four dimensional superstrings (1990)
Antoniadis, Ignatios, Ellis, Jonathan Richard, Floratos, Emmanuel G, Nanopoulos, Dimitri V, Tomaras, T N
Inflationary fluctuations, entropy generation and baryogenesis in a cold universe (1990)
Ellis, Jonathan Richard, Enqvist, Kari, Nanopoulos, Dimitri V, Olive, Keith A
Phenomenological studies of rank-5 Calabi-Yau models (1990)
Ellis, Jonathan Richard, Enqvist, Kari, Kalara, S, Nanopoulos, Dimitri V, Olive, Keith A
GUT model-building with fermionic four-dimensional strings (1990)
Antoniadis, Ignatios, Ellis, Jonathan Richard, Hagelin, John S, Nanopoulos, Dimitri V
Experimental predictions from the superstring (1990)
Cohen, E, Ellis, Jonathan Richard, Enqvist, Kari, Nanopoulos, Dimitri V
Strangeness in nucleon decay (1990)
Campbell, Bruce A, Ellis, Jonathan Richard, Nanopoulos, Dimitri V
Effects of a superstring gauge boson on high energy e+e- annihilation and ep scattering (1990)
Angelopoulos, V D, Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Tracas, Nicholas D
Search for violations of quantum mechanics (1990)
Ellis, Jonathan Richard, Hagelin, John S, Nanopoulos, Dimitri V, Srednicki, M A
Observables in low-energy superstring models (1990)
Ellis, Jonathan Richard, Enqvist, Kari, Nanopoulos, Dimitri V, Zwirner, Fabio
Gauginos and Higgs particles in superstring models (1990)
Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Petcov, S T, Zwirner, Fabio
Non-compact supergravity solves problems (1990)
Ellis, Jonathan Richard, Enqvist, Kari, Nanopoulos, Dimitri V
Cosmic strings from hidden-sector flux tubes (1990)
Campbell, Bruce A, Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Olive, Keith A, Rudaz, S
Naturally vanishing cosmological constant in N = 1 supergravity (1990)
Cremmer, E, Ferrara, Sergio, Kounnas, Costas, Nanopoulos, Dimitri V
An improved flipped SU(5) x U(1) model from four-dimensional string (1990)
Antoniadis, Ignatios, Ellis, Jonathan Richard, Hagelin, John S, Nanopoulos, Dimitri V
New Z-bosons at the SSC (1990)
Adeva, B, Del Águila, F, Nanopoulos, Dimitri V, Quirós, Mariano, Zwirner, Fabio
Cosmological baryogenesis in superstring models with stable protons (1990)
Campbell, Bruce A, Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Olive, Keith A
No-scale supersymmetric standard model (1990)
Ellis, Jonathan Richard, Lahanas, Athanasios B, Nanopoulos, Dimitri V, Tamvakis, Kyriakos
Search for new quarks suggested by the superstring (1990)
Angelopoulos, V D, Ellis, Jonathan Richard, Kowalski, H, Nanopoulos, Dimitri V, Tracas, Nicholas D, Zwirner, Fabio
Problems for superstring models with vacuum expectation values for conjugate sneutrinos (1990)
Campbell, Bruce A, Ellis, Jonathan Richard, Gaillard, Mary Katherin, Nanopoulos, Dimitri V, Olive, Keith A
Primordial nucleosynthesis, additional neutrinos and neutral currents from the superstring (1990)
Ellis, Jonathan Richard, Enqvist, Kari, Nanopoulos, Dimitri V, Sarkar, S
The flipped SU(5) x U(1) string model revamped (1990)
Antoniadis, Ignatios, Ellis, Jonathan Richard, Hagelin, John S, Nanopoulos, Dimitri V
Goldstone fermion couplings and supersymmetry breaking in superstring models (1990)
Ellis, Jonathan Richard, Lahanas, Athanasios B, Nanopoulos, Dimitri V
Cosmological string theories and discrete inflation (1990)
Antoniadis, Ignatios, Bachas, C P, Ellis, Jonathan Richard, Nanopoulos, Dimitri V
Non-minimal supergravity at finite temperatures and cosmological applications (1990)
Enqvist, Kari, Nanopoulos, Dimitri V, Quirós, Mariano, Kounnas, Costas
Aspects of the grand unification of strong, weak and electromagnetic interactions (1990)
Buras, Andrzej J, Ellis, Jonathan Richard, Gaillard, Mary Katherin, Nanopoulos, Dimitri V
Baryon number generation in grand unified theories (1990)
Ellis, Jonathan Richard, Gaillard, Mary Katherin, Nanopoulos, Dimitri V
Is the mass of the Higgs boson about 10 GeV? (1990)
Ellis, Jonathan Richard, Gaillard, Mary Katherin, Nanopoulos, Dimitri V, Sachrajda, Christopher T C
On the effective Lagrangian for baryon decay (1990)
Ellis, Jonathan Richard, Gaillard, Mary Katherin, Nanopoulos, Dimitri V
Neutrino masses in grand unified theories (1990)
Barbieri, Riccardo, Nanopoulos, Dimitri V, Morchio, G, Strocchi, F
The smoothness of the universe (1990)
Ellis, Jonathan Richard, Gaillard, Mary Katherin, Nanopoulos, Dimitri V
Can one test technicolour? (1990)
Ellis, Jonathan Richard, Gaillard, Mary Katherin, Nanopoulos, Dimitri V, Sikivie, P
Grand unification, the neutron electric dipole moment and galaxy formation (1990)
Ellis, Jonathan Richard, Gaillard, Mary Katherin, Nanopoulos, Dimitri V, Rudaz, S
The grand unified axion not observable? (1990)
Ellis, Jonathan Richard, Gaillard, Mary Katherin, Nanopoulos, Dimitri V, Rudaz, S
Aspects of a superlight grand unified axion (1990)
Barbieri, Riccardo, Mohapatra, Rabindra N, Nanopoulos, Dimitri V, Wyler, D
Naturally massless Higgs doublets in supersymmetric SU(5) (1990)
Masiero, A, Nanopoulos, Dimitri V, Tamvakis, Kyriakos, Yanagida, T
Spin-zero leptons and the anomalous magnetic moment of the muon (1990)
Ellis, Jonathan Richard, Hagelin, John S, Nanopoulos, Dimitri V
Baryon number violation catalyzed by grand unified monopoles (1990)
Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Olive, Keith A
Super B production, matter stability and gauge hierarchy in SUSY GUTs (1990)
Masiero, A, Nanopoulos, Dimitri V, Tamvakis, Kyriakos, Yanagida, T
The Higgs sector in SUSY GUTs (1990)
Kounnas, Costas, Lahanas, Athanasios B, Nanopoulos, Dimitri V, Tamvakis, Kyriakos
Cosmological inflation cries out for supersymmetry (1990)
Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Olive, Keith A, Tamvakis, Kyriakos
More about baryon number violation catalyzed by grand unified monopoles (1990)
Bais, F A, Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Olive, Keith A
Gauge hierarchy generation and cosmology in locally supersymmetric GUTs (1990)
Nanopoulos, Dimitri V, Olive, Keith A, Srednicki, M A, Tamvakis, Kyriakos
Supergravity, R invariance and spontaneous supersymmetry breaking (1990)
Barbieri, Riccardo, Ferrara, Sergio, Nanopoulos, Dimitri V, Stelle, Kellogg S
Grand unification in simple supergravity (1990)
Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Tamvakis, Kyriakos
Fluctuations in a supersymmetric inflationary universe (1990)
Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Olive, Keith A, Tamvakis, Kyriakos
Primordial supersymmetric inflation (1990)
Ellis, Jonathan Richard, Nanopoulos, Dimitri V, Olive, Keith A, Tamvakis, Kyriakos
Uncertainties in the proton lifetime (1990)
Ellis, Jonathan Richard, Gaillard, Mary Katherin, Nanopoulos, Dimitri V, Rudaz, S
Impossibility of perturbative restoration of F type spontaneously broken supersymmetry (1990)
Howe, Paul S, Lahanas, Athanasios B, Nanopoulos, Dimitri V, Nicolai, Hermann C
Inflation can save the gravitino (1990)
Ellis, Jonathan Richard, Linde, Andrei D, Nanopoulos, Dimitri V
Primordial inflation in simple supergravity (1990)
Nanopoulos, Dimitri V, Olive, Keith A, Srednicki, M A, Tamvakis, Kyriakos
CP violation and supersymmetry (1990)
Ellis, Jonathan Richard, Ferrara, Sergio, Nanopoulos, Dimitri V
A cosmological lower bound on the neutron electric dipole moment (1990)
Ellis, Jonathan Richard, Gaillard, Mary Katherin, Nanopoulos, Dimitri V, Rudaz, S
Learning and Memory Deficits Upon TAU Accumulation in Drosophila Mushroom Body Neurons
Mershin, Andreas, Pavlopoulos, Elias, Fitch, Olivia, Braden, Brittany C., Nanopoulos, Dimitri V., Skoulakis, Efthimios M.C.
Mutations in the neuronal-specific microtubule-binding protein TAU are associated with several dementias and neurodegenerative diseases. However, the effects of elevated TAU accumulation on...
Learning and Memory Deficits Upon TAU Accumulation in Drosophila Mushroom Body Neurons
Mershin, Andreas, Pavlopoulos, Elias, Fitch, Olivia, Braden, Brittany C., Nanopoulos, Dimitri V., Skoulakis, Efthimios M.C.
Mutations in the neuronal-specific microtubule-binding protein TAU are associated with several dementias and neurodegenerative diseases. However, the effects of elevated TAU accumulation on...
Impedance Spectroscopy of α-β Tubulin Heterodimer Suspensions
Sanabria, Hugo, Miller, John H., Mershin, Andreas, Luduena, Richard F., Kolomenski, Alexandre A., Schuessler, Hans A., ...
Impedance spectroscopy is a technique that reveals information, such as macromolecular charges and related properties about protein suspensions and other materials. Here we report on impedance...