The Impact of an Oxygen Dopant in an ideal Bi-2212 Crystal (2008)
Johnston, S., Vernay, F., Devereaux, T. P.
Recent scanning tunneling microscopy studies have shown that local nanoscale pairing inhomogenities are correlated with interstitial oxygen dopants in Bi-2212. Combining electrostatic and cluster...
Photoemission kinks and phonons in cuprates (2008)
Reznik, D., Sangiovanni, G., Gunnarssonii, O., Devereaux, T. P.
One of the possible mechanisms of high Tc superconductivity is Cooper pairing with the help of bosons, which change the slope of the electronic dispersion as observed by photoemission. Giustino et...
High-energy anomaly dichotomy in electron- and hole-doped high temperature superconductors (2008)
Moritz, B., Schmitt, F., Meevasana, W., Johnston, S., Motoyama, E. M., Greven, M., ...
New results are presented from angle-resolved photoemission spectroscopy on the electron-doped cuprate Nd_1.83Ce_0.17CuO_4 that show a high energy anomaly in the dispersion around 500-600 meV,...
Freelon, B., Medaglia, P. G., Tebano, A., Balestrino, G., Okada, K., Kotani, A., ...
We report the first observation of soft-x-ray scattering from spin fluctuations in a high-Tc parent compound. An antiferromagnetic charge transfer insulator, CaCuO2, was irradiated by Cu M-edge soft...
Mishchenko, A. S., Nagaosa, N., Filippis, G. De, Cataudella, V., Devereaux, T. P., ...
The charge dynamics in weakly hole doped high temperature superconductors is studied in terms of the accurate numerical solution to a model of a single hole interacting with a quantum lattice in an...
Mishchenko, A. S., Nagaosa, N., Filippis, G. De, Cataudella, V., Devereaux, T. P., ...
The charge dynamics in weakly hole doped high temperature superconductors is studied in terms of the accurate numerical solution to a model of a single hole interacting with a quantum lattice in an...
Quasi-zero Dimensional CuB2O4: A case study for resonant inelastic X-ray scattering (2008)
Hancock, J. N., Chabot-Couture, G., Li, Y., Petrakovskii, G., Ishii, K., Jarrige, I., ...
We explore the general phenomenology of resonant inelastic scattering (RIXS) using CuB2O4, a network of CuO4 plaquettes electronically isolated by B+3 ions. Spectra show a small number of...
Lee, W. S., Meevasana, W., Johnston, S., Lu, D. H., Vishik, I. M., Moore, R. G., ...
The temperature dependent evolution of the renormalization effect in optimally-doped Bi2212 along the nodal direction has been studied via angle-resolved photoemission spectroscopy. Fine structure is...
Charge dynamics of doped holes in high Tc cuprates - A clue from optical conductivity (2008)
Mishchenko, A. S., Nagaosa, N., De Filippis, G., Cataudella, V., Devereaux, T. P., ...
The charge dynamics in weakly hole doped high temperature superconductors is studied in terms of the accurate numerical solution to a model of a single hole interacting with a quantum lattice in an...
Abrupt Onset of Second Energy Gap at Superconducting Transition of Underdoped Bi2212 (2008)
Lee, W. S., Vishik, I. M., Tanaka, K., Lu, D. H., Sasagawa, T., Nagaosa, N., ...
The superconducting gap - an energy scale tied to the superconducting phenomena-opens on the Fermi surface at the superconducting transition temperature (TC) in conventional BCS superconductors....
Cuk, T., Struzhkin, V., Devereaux, T. P., Goncharov, A., Kendziora, C., Eisaki, H., ...
We report pressure tuned Raman and x-ray diffraction data of Bi1.98Sr2.06Y0.68Cu2O8 revealing a critical pressure at 21 GPa with anomalies in six physical quantities: electronic Raman background,...
Mannella, N., Yang, W. L., Tanaka, K., Zhou, X. J., Zheng, H., Mitchell, J. F., ...
Angle-resolved photoemission spectroscopy data for the bilayer manganite La1.2Sr1.8Mn2O7 show that, upon lowering the temperature below the Curie point, a coherent polaronic metallic groundstate...
Lee, W. S., Johnston, S., Devereaux, T. P.
Lattice contribution to the electronic self-energy in complex correlated oxides is a fascinating subject that has lately stimulated lively discussions. Expectations of electron-phonon self-energy...
Cu $K$-edge Resonant Inelastic X-Ray Scattering in Edge-Sharing Cuprates (2007)
Vernay, F., Moritz, B., Elfimov, I., Geck, J., Hawthorn, D., Devereaux, T. P., ...
We present calculations for resonant inelastic x-ray scattering (RIXS) in edge-shared copper oxide systems, such as CuGeO$_{3}$ and Li$_{2}$CuO$_{2}$, appropriate for hard x-ray scattering where the...
Momentum dependent light scattering in insulating cuprates (2007)
Vernay, F. H., Gingras, M. J. P., Devereaux, T. P.
We investigate the problem of inelastic x-ray scattering in the spin$-{1/2}$ Heisenberg model on the square lattice. We first derive a momentum dependent scattering operator for the $A_{1g}$ and...
The hierarchy of multiple many-body interaction scales in high-temperature superconductors (2006)
Meevasana, W., Zhou, X. J., Sahrakorpi, S., Lee, W. S., Yang, W. L., Tanaka, K., ...
To date, angle-resolved photoemission spectroscopy has been successful in identifying energy scales of the many-body interactions in correlated materials, focused on binding energies of up to a few...
Distinct Fermi-Momentum Dependent Energy Gaps in Deeply Underdoped Bi2212 (2006)
Tanaka, Kiyohisa, Lee, W. S., Lu, D. H., Fujimori, A., Fujii, T., ...
We use angle-resolved photoemission spectroscopy applied to deeply underdoped cuprate superconductors Bi2Sr2(Ca,Y)Cu2O8 (Bi2212) to reveal the presence of two distinct energy gaps exhibiting...
Meevasana, W., Devereaux, T. P., Nagaosa, N., Zaanen, J.
In our recent paper we presented empirical evidences suggesting that electrons in cuprate superconductors are strongly coupled to unscreened c-axis polar phonons. In the overdoped regime the c-axis...
Raman scattering for triangular lattices spin-1/2 Heisenberg antiferromagnets (2006)
Vernay, F., Devereaux, T. P., Gingras, M. J. P.
Motivated by various spin-1/2 compounds like Cs$_2$CuCl$_4$ or $\kappa$-(BEDT-TTF)$_2$Cu$_2$(CN)$_3$, we derive a Raman-scattering operator {\it \`a la} Shastry and Shraiman for various geometries....
Inelastic Light Scattering From Correlated Electrons (2006)
Inelastic light scattering is an intensively used tool in the study of electronic properties of solids. Triggered by the discovery of high temperature superconductivity in the cuprates and by new...
Meevasana, W., Ingle, N. J. C., Lu, D. H., Shi, J. R., Baumberger, F., Shen, K. M., ...
A recent highlight in the study of high-Tc superconductors is the observation of band renormalization / self-energy effects on the quasiparticles. This is seen in the form of kinks in the...
Interplay between the pseudogap and superconductivity in HgBa$_2$CuO$_4$ single crystals (2006)
Gallais, Y., Sacuto, A., Devereaux, T. P., Colson, D.
We report a doping dependant Electronic Raman Scattering (ERS) study of HgBa$_2$CuO$_{4+\\delta}$ (Hg-1201) single crystals. We investigate the dynamics of the antinodal and nodal quasiparticles. We...
Nodal quasiparticle in pseudogapped colossal magnetoresistive manganites (2005)
Mannella, N., Yang, W., Zhou, X. J., Zheng, H., Mitchell, J. F., Zaanen, J., ...
A characteristic feature of the copper oxide high-temperature superconductors is the dichotomy between the electronic excitations along the nodal (diagonal) and antinodal (parallel to the Cu-O bonds)...
Chubukov, A. V., Devereaux, T. P., Klein, M. V.
We argue that Raman scattering in $B_{1g}$ symmetry allows one to distinguish between phonon-mediated and magnetically-mediated $d-$wave superconductivity. In spin mediated superconductors, $B_{1g}$...
Zhu, Jian-Xin, McElroy, K., Lee, J., Devereaux, T. P., Si, Qimiao, Davis, J. C., ...
We study the $\tau_1$-impurity induced $\mathbf{q}$-space pattern of the energy derivative local density of states (LDOS) in a d-wave superconductor. We are motivated in part by the recent scanning...
Zhu, Jian-Xin, Balatsky, A. V., Devereaux, T. P., Si, Qimiao, Lee, J., McElroy, K., ...
We analyze the effects of the electronic coupling to bosonic modes in a d-wave superconductor. The role of the scattering due to boson on the momentum transfer between electronic states in the...
Optical sum rules that relate to the potential energy of strongly correlated systems (2005)
Freericks, J. K., Devereaux, T. P., Moraghebi, M., Cooper, S. L.
A class of sum rules for inelastic light scattering is developed. We show that the first moment of the non-resonant response provides information about the potential energy in strongly correlated...
Interplay between the pseudogap and superconductivity in HgBa$_2$CuO$_4$ single crystals (2005)
Gallais, Y., Sacuto, A., Devereaux, T. P., Colson, D.
We report a doping dependant Electronic Raman Scattering (ERS) study of HgBa$_2$CuO$_{4+\\delta}$ (Hg-1201) single crystals. We investigate the dynamics of the antinodal and nodal quasiparticles. We...
Interplay between the pseudogap and superconductivity in HgBa$_2$CuO$_4$ single crystals (2005)
Gallais, Y., Sacuto, A., Devereaux, T. P., Colson, D.
We report a doping dependant Electronic Raman Scattering (ERS) study of HgBa$_2$CuO$_{4+\\delta}$ (Hg-1201) single crystals. We investigate the dynamics of the antinodal and nodal quasiparticles. We...
Nodal quasiparticle in pseudogapped colossal magnetoresistive manganites (2005)
Mannella, N., Yang, W.L., Zhou, X.J., Zheng, H., Mitchell, J.F., Zaanen, J., ...
Nodal quasiparticle in pseudogapped colossal magnetoresistive manganites (2005)
Mannella, N., Yang, W.L., Zhou, X.J., Zheng, H., Mitchell, J.F., Zaanen, J., ...
Anisotropic Electron-Phonon Coupling Uncovered By Angle-Resolved Photoemission (2004)
Devereaux, T. P., Cuk, T., Nagaosa, N.
Recently there has been an accumulation of experimental evidence in the high temperature superconductors suggesting the relevance of electron-phonon coupling in these materials. These findings...
Shvaika, A. M., Vorobyov, O., Freericks, J. K., Devereaux, T. P.
We solve for the electronic Raman scattering response functions on an infinite-dimensional hypercubic lattice employing dynamical mean field theory. This contribution extends previous work on the...
Resonant Enhancement of Electronic Raman Scattering (2004)
Shvaika, A. M., Vorobyov, O., Freericks, J. K., Devereaux, T. P.
We present an exact solution for electronic Raman scattering in a single-band, strongly correlated material, including nonresonant, resonant and mixed contributions. Results are derived for the...
Resonant electronic Raman scattering near a quantum critical point (2004)
Shvaika, A. M., Vorobyov, O., Freericks, J. K., Devereaux, T. P.
We calculate the resonant electronic Raman scattering for the Falicov-Kimball model near the Mott transition on a hypercubic lattice. The solution is exact, and employs dynamical mean field theory.
Interplay between the pseudogap and superconductivity in HgBa$_2$CuO$_4$ single crystals (2004)
Gallais, Y., Sacuto, A., Devereaux, T. P., Colson, D.
We report a doping dependant Electronic Raman Scattering (ERS) study of HgBa$_2$CuO$_{4+\delta}$ (Hg-1201) single crystals. We investigate the dynamics of the antinodal and nodal quasiparticles. We...
Anisotropic electron-phonon interaction in the cuprates (2004)
Devereaux, T. P., Cuk, T., Nagaosa, N.
We explore manifestations of electron-phonon coupling on the electron spectral function for two phonon modes in the cuprates exhibiting strong renormalizations with temperature and doping. Applying...
Cuk, T., Baumberger, F., Lu, D. H., Ingle, N., Zhou, X. J., Eisaki, H., ...
Angle-resolved photoemission spectroscopy (ARPES) on optimally doped Bi2Sr2Ca0.92Y0.08Cu2O(8+delta) uncovers a coupling of the electronic bands to a 40 meV mode in an extended k-space region away...
Gallamore, M. E., McCormack, G. E. D., Devereaux, T. P.
The role of commensurability and the interplay of correlated disorder and interactions on vortex dynamics in the presence of columnar pins is studied via molecular dynamics simulations. Simulations...
Resonant Enhancement of Inelastic Light Scattering in Strongly Correlated Materials (2003)
Shvaika, A. M., Vorobyov, O., Freericks, J. K., Devereaux, T. P.
We use dynamical mean field theory to find an exact solution for inelastic light scattering in strongly correlated materials such as those near a quantum-critical metal-insulator transition. We...
Inelastic x-ray scattering as a probe of electronic correlations (2003)
Devereaux, T. P., McCormack, G. E. D., Freericks, J. K.
We construct an exact dynamical mean field theory for nonresonant inelastic light scattering in the infinite-dimensional Falicov-Kimball model, which can be tuned through a quantum critical...
Optical symmetries and anisotropic transport in high-Tc superconductors (2003)
A simple symmetry analysis of in-plane and out-of-plane transport in a family of high temperature superconductors is presented. It is shown that generalized scaling relations exist between the low...
Nonresonant inelastic light scattering in the Hubbard model (2002)
Freericks, J. K., Devereaux, T. P., Bulla, R., Pruschke, Th.
Inelastic light scattering from electrons is a symmetry-selective probe of the charge dynamics within correlated materials. Many measurements have been made on correlated insulators, and recent exact...
Inelastic X-ray scattering in correlated (Mott) insulators (2002)
Devereaux, T. P., McCormack, G. E. D., Freericks, J. K.
We calculate the inelastic light scattering from X-rays, which allows the photon to transfer both energy and momentum to the strongly correlated charge excitations. We find that the charge transfer...
Observation of an unconventional metal-insulator transition in overdoped CuO_2 compounds (2002)
Venturini, F., Opel, M., Devereaux, T. P., Freericks, J. K., Tüttő, I., Revaz, B., ...
The electron dynamics in the normal state of Bi$_2$Sr$_2$CaCu$_2$O$_{8+\delta}$ is studied by inelastic light scattering over a wide range of doping. A strong anisotropy of the electron relaxation is...
Raman scattering through a metal-insulator transition (2001)
Freericks, J. K., Devereaux, T. P.
The exact solution for nonresonant A1g and B1g Raman scattering is presented for the simplest model that has a correlated metal-insulator transition--the Falicov-Kimball model, by employing dynamical...
Nonresonant B1g Raman scattering in the Hubbard model (2001)
Freericks, J. K., Devereaux, T. P., Bulla, R.
The numerically exact solution for nonresonant B1g Raman scattering is presented for the half-filled Hubbard model in infinite dimensions. This solution illustrates the modifications of the Raman...
Raman scattering near a quantum critical point (2000)
Freericks, J. K., Devereaux, T. P.
Electronic Raman scattering experiments in a wide variety of materials (ranging from mixed-valence materials to Kondo insulators to high-temperature superconductors) show anomalous behavior in the...
Collective Spin Fluctuation Mode and Raman Scattering in Superconducting Cuprates (2000)
Venturini, F., Michelucci, U., Devereaux, T. P., Kampf, A. P.
Although the low frequency electronic Raman response in the superconducting state of the cuprates can be largely understood in terms of a d-wave energy gap, a long standing problem has been an...
Quasiparticle Inelastic Lifetime from Paramagnons in Disordered Superconductors (2000)
The paramagnon contribution to the quasiparticle inelastic scattering rate in disordered superconductors is presented. Using Anderson's exact eigenstate formalism, it is shown that the scattering...
Collective Modes and Electronic Raman Scattering in the Cuprates (2000)
Venturini, F., Michelucci, U., Devereaux, T. P., Kampf, A. P.
While the low frequency electronic Raman response in the superconducting state of the cuprates can be largely understood in terms of a d-wave energy gap, a long standing problem has been an...
Unconventional electronic Raman spectra of borocarbide superconductors (1999)
Yang, In-Sang, Klein, M. V., Devereaux, T. P., Fisher, I. R., Canfield, P. C.
Borocarbide superconductors, which are thought to be conventional BCS-type superconductors, are not so conventional in several electronic Raman properties. Anisotropic gap-like features and finite...
The Role of Splayed Disorder and Channel Flow on the Dynamics of Driven 3D Vortices (1999)
We present the results of three-dimensional molecular dynamics simulations of vortices which indicate that, for B greater than the matching field, the enhanced pinning effectiveness of splayed...
A Consistent Picture of Electronic Raman Scattering and Infrared Conductivity in the Cuprates (1999)
Devereaux, T. P., Kampf, A. P.
Calculations are presented for electronic Raman scattering and infrared conductivity in a $d_{x^{2}-y^{2}}$ superconductor including the effects of elastic scattering via anisotropic impurities and...
Physical origin of the buckling in CuO$_2$: Electron-phonon coupling and Raman spectra (1998)
Opel, M., Hackl, R., Devereaux, T. P., Virosztek, A., Zawadowski, A., Erb, A., ...
It is shown theoretically that the buckling of the CuO$_{2}$ planes in certain cuprate systems can be explained in terms of an electric field across the planes which originates from different...
Neutron Scattering and the B_{1g} Phonon in the Cuprates (1998)
Devereaux, T. P., Virosztek, A., Zawadowski, A.
The momentum dependent lineshape of the out-of-phase oxygen vibration as measured in recent neutron scattering measurements is investigated. Starting from a microscopic coupling of the phonon...
Enhanced Electron-Phonon Coupling and its Irrelevance to High T$_{c}$ Superconductivity (1997)
Devereaux, T. P., Virosztek, A., Zawadowski, A., Opel, M., Müller, P. F., Hoffmann, C., ...
It is argued that the origin of the buckling of the CuO$_{2}$ planes in certain cuprates as well as the strong electron-phonon coupling of the $B_{1g}$ phonon is due to the electric field across the...
Evidence for Magnetic Pseudoscaling in Overdoped La(2-x)Sr(x)CuO(4) (1997)
Naeini, J. G., Chen, X. K., Hewitt, K. C., Irwin, J. C., Devereaux, T. P., Okuya, M., ...
We report the results of electronic Raman scattering experiments on an overdoped La(1.78)Sr(0.22)CuO(4) single crystal as a function of temperature. The scattering rate Gamma(w->0,T) has been...
Theory of Electronic Raman Scattering in Nearly Antiferromagnetic Fermi Liquids (1997)
Devereaux, T. P., Kampf, A. P.
A theory of electronic Raman scattering in nearly antiferromagnetic Fermi liquids is constructed using the phenomenological electron-electron interaction introduced by Millis, Monien, and Pines. The...
Electronic Raman Scattering in Nearly Antiferromagnetic Fermi Liquids (1997)
Devereaux, T. P., Kampf, A. P.
A theory of electronic Raman scattering in nearly antiferromagnetic Fermi liquids is constructed using the phenomenological electron-electron interaction introduced by Millis, Monien, and Pines. The...
Raman Scattering in Cuprate Superconductors (1997)
Devereaux, T. P., Kampf, A. P.
A theory for electronic Raman scattering in the cuprate superconductors is presented with a specific emphasis on the polarization dependence of the spectra which can infer the symmetry of the energy...
Extended Impurity Potential in a d_{x^2-y^2} Superconductor (1997)
Kampf, A. P., Devereaux, T. P.
We investigate the role of a finite potential range of a nonmagnetic impurity for the local density of states in a d_{x^2-y^2} superconductor. Impurity induced subgap resonances are modified by the...
Multiband Electronic Raman Scattering in Bilayer Superconductors (1996)
Devereaux, T. P., Virosztek, A., Zawadowski, A.
A theory of electronic Raman scattering in the presence of several energy bands crossing the Fermi surface is developed. The contributions to the light scattering cross section are calculated for...
Role of Symmetry in Raman Spectroscopy of Unconventional Superconductors (1996)
The role of symmetry of the inelastic light scattering amplitude, the superconducting energy gap, and the underlying Fermi surface manifold on the Raman spectra of unconventional superconductors is...
Magnetic pair breaking in disordered superconducting films (1995)
A theory for the effects of nonmagnetic disorder on the magnetic pair breaking rate $\alpha$ induced by paramagnetic impurities in quasi two-dimensional superconductors is presented. Within the...
Phase Diagram for Splay Glass Superconductivity (1995)
Devereaux, T. P., Scalettar, R. T., Zimanyi, G. T., Moon, K., Loh, E.
Localization of flux lines to splayed columnar pins is studied. A sine-Gordon type renormalization group study reveals the existence of a Splay glass phase and yields an analytic form for the...
Theory of Electronic Raman Scattering in Disordered $d-$wave Superconductors (1994)
A theory for the effect of impurity scattering on electronic Raman scattering in unconventional superconductors is presented. The impurity dependence of the the spectra can be used to to distinguish...
Devereaux, T. P., Virosztek, A., Zawadowski, A.
The Raman spectrum of the $B_{1g}$ phonon in the superconducting cuprate materials is investigated theoretically in detail in both the normal and superconducting phases, and is contrasted with that...