Improved radiation measurements on JET - First results from an upgraded bolometer system (2007)
Huber, A., McCormick, K., Andrew, P., De Baar, M. R., Beaumont, P., Dalley, S., ...
Upgraded bolometer system on JET for improved radiation measurements (2007)
Huber, A., McCormick, K., Andrew, P., Beaumont, P., Dalley, S., Fink, J., ...
SU(N_c -> infinity) Lattice Data and Degrees of Freedom of the QCD string (2005)
Lattice simulation data on the critical temperature and long-distance potential, that probe the degrees of freedom of the QCD string, are critically reviewed. It is emphasized that comparison of...
Small-x Behaviour of Lightcone Wavefunctions in Transverse Lattice Gauge Theory (2004)
Bratt, J., Dalley, S., Watson, E. M.
We study the behaviour of lightcone wavefunctions, in coarse transverse lattice gauge theory, when one or more parton lightcone momenta are small. This probes the limit of hadron structure at large...
Generalised Parton Distributions of the Pion on the Transverse Lattice (2004)
The quark generalised parton distributions of the pion are calculated from lightcone wavefunctions in transverse lattice gauge theory at large N_c. The pion effective size is found to decrease with...
Finite Temperature Gauge Theory from the Transverse Lattice (2004)
Numerical computations are performed and analytic bounds are obtained on the excited spectrum of glueballs in SU(infinity) gauge theory, by transverse lattice Hamiltonian methods. We find an...
Spontaneously broken quark helicity symmetry (2004)
We discuss the origin of chiral symmetry breaking in the light-cone representation of QCD. In particular, we show how quark helicity symmetry is spontaneously broken in SU(N) gauge theory with...
Recent Results on the Transverse Lattice (2003)
We review recent progress of field theory on a transverse lattice including: realistic calculations of pion structure in large-N_c QCD; fermion doubling and chiral symmetry; a new strong coupling...
Impact parameter dependent quark distribution of the pion (2003)
We present first results for the impact parameter dependent quark distribution in the pion obtained in transverse lattice gauge theory, and discuss recent predictions from other models.
Transverse lattice calculation of the pion light-cone wavefunctions (2002)
We calculate the light-cone wavefunctions of the pion by solving the meson boundstate problem in a coarse transverse lattice gauge theory using DLCQ. A large-N_c approximation is made and the...
Mesons on a transverse lattice (2001)
The meson eigenstates of the light-cone Hamiltonian in a coarse transverse lattice gauge theory are investigated. Building upon previous work in pure gauge theory, the Hamiltonian and its Fock space...
Precision study of large-N Yang-Mills theory in 2+1 dimensions (2000)
The boundstate problem in 2+1-dimensional large-N Yang-Mills theory is accurately solved using the light-front Hamiltonian of transverse lattice gauge theory. We conduct a thorough investigation of...
The transverse lattice approach to non-perturbative light-front hamiltonian QCD is described. Preliminary results on the pi-rho system are presented, at fixed DLCQ and Tamm-Dancoff cut-offs. A...
Introduction to transverse lattice gauge theory (1999)
I review a new treatment of an old idea for light-front quantization of lattice gauge theories and give new results from some illustrative calculations: [I] transverse lattice gauge theory; [II] pure...
Glueballs on a transverse lattice (1999)
Accurate non-perturbative calculations of glueballs are performed using light-front quantised SU(N) gauge theory, to leading order of the 1/N expansion. Based on early work of Bardeen and Pearson,...
Light-cone QCD on the lattice (1999)
Ideas and recent results for light-front Hamiltonian quantisation of lattice gauge theories.
Glueball calculations in large-$N_{c}$ gauge theory (1998)
We use the light-front Hamiltonian of transverse lattice gauge theory to compute from first principles the glueball spectrum and light-front wavefunctions in the leading order of the 1/N_c colour...
Glueball calculations in large-N_c gauge theory (1998)
We use the light-front Hamiltonian of transverse lattice gauge theory to compute from first principles the glueball spectrum and light-front wavefunctions in the leading order of the 1/N_c colour...
Transverse Lattice Approach to Light-Front Hamiltonian QCD (1998)
We describe a non-perturbative procedure for solving from first principles the light-front Hamiltonian problem of SU(N) pure gauge theory in D spacetime dimensions (D>2), based on enforcing Lorentz...
Transverse Lattice Approach to Light-Front Hamiltonian QCD (1998)
We describe a non-perturbative procedure for solving from first principles the light-front Hamiltonian problem of SU(N) pure gauge theory in D spacetime dimensions (D>2), based on enforcing Lorentz...
The Influence of Higher Fock States in Light-Cone Gauge Theories (1998)
In the light-cone Fock state expansion of gauge theories, the influence of non-valence states may be significant in precision non-perturbative calculations. In two-dimensional gauge theories, it is...
The Influence of Higher Fock States in Light-Cone Gauge Theories (1998)
In the light-cone Fock state expansion of gauge theories, the influence of non-valence states may be significant in precision non-perturbative calculations. In two-dimensional gauge theories, it is...
Adjoint $QCD_2$ and the Non-Abelian Schwinger Mechanism (1997)
Massless Majorana fermions in the adjoint representation of SU(N_c) are expected to screen gauge interactions in 1+1 dimensions, analogous to a similar Higgs phenomena known for 1+1-dimensional U(1)...
Adjoint QCD2 and the Non-Abelian Schwinger Mechanism (1997)
Massless Majorana fermions in the adjoint representation of SU(N_c) are expected to screen gauge interactions in 1+1 dimensions, analogous to a similar Higgs phenomena known for 1+1-dimensional U(1)...
Colour-Dielectric Gauge Theory on a Transverse Lattice (1997)
We investigate consequences of the effective colour-dielectric formulation of lattice gauge theory using the light-cone Hamiltonian formalism with a transverse lattice (hep-ph/9704408). As a...
Light-Cone Wavefunctions at Small $x$ (1997)
Antonuccio, F, Brodsky, S J, Dalley, S
There exist an infinite number of exact small momentum fraction-$x$ boundary conditions on light-cone wavefunctions of bound states in gauge theory. They are necessary for finite expectation values...
Light-Cone Wavefunctions at Small $x$ (1997)
Antonuccio, F., Brodsky, S. J., Dalley, S.
There exist an infinite number of exact small momentum fraction-$x$ boundary conditions on light-cone wavefunctions of bound states in gauge theory. They are necessary for finite expectation values...
The small momentum fraction x behaviour of quarks in mesons is analysed in the 1+1-dimensional reduced model of large-N QCD by light-cone quantisation.
The small momentum fraction x behaviour of quarks in mesons is analysed in the 1+1-dimensional reduced model of large-N QCD by light-cone quantisation.
Colour-Dielectric Gauge Theory on a Transverse Lattice (1997)
We investigate in some detail consequences of the effective colour-dielectric formulation of lattice gauge theory using the light-cone Hamiltonian formalism with a transverse lattice. As a...
Transverse Lattice QCD in 2+1 Dimensions (1996)
Following a suggestion due to Bardeen and Pearson, we formulate an effective light-front Hamiltonian for large-N gauge theory in (2+1)-dimensions. Two space-time dimensions are continuous and the...
A (1+1)-Dimensional Reduced Model of Mesons (1995)
We propose an extension of 't Hooft's large-$N_c$ light-front QCD in two dimensions to include helicity and physical gluon degrees of freedom, modelled on a classical dimensional reduction of four...
Glueballs from 1+1 Dimensional Gauge Theories with Transverse Degrees of Freedom (1995)
We study $1+1$-dimensional $SU(N)$ gauge theories with adjoint scalar matter representations, based on a dimensional truncation of $2+1$ and $3+1$-dimensional pure QCD, which approximate the dynamics...
Adjoint 2D QCD and Pure 3D QCD: A Comparison of Spectra (1995)
We briefly review the 1+1-dimensional SU(N) gauge theory minimally coupled to an adjoint scalar, based upon a dimensional reduction of 2+1-dimensional pure gauge theory, which approximates the...
Random Matrix Solution of a Polymer Collapse Model (1995)
A polymer folding model on the square lattice is constructed with attractive contact interactions of strength 1/c^2, 0
c>1 Non-Critical Strings and Large-N Matrix Field Theory (1994)
Motivated by a possible relativistic string description of hadrons we use a discretised light-cone quantisation and Lanczos algorithm to investigate the phase structure of phi^3 matrix field theory...
String Theory and Quantum Spin Chains (1994)
The space-time light-cone Hamiltonian P^- of large-N matrix models for dynamical triangulations may be viewed as that of a quantum spin chain and analysed in a mean field approximation. As N ->...
The Kosterlitz-Thouless Phenomenon on a Fluid Random Surface (1993)
The problem of a periodic scalar field on a two-dimensional dynamical random lattice is studied with the inclusion of vortices in the action. Using a random matrix formulation, in the continuum limit...
Light-Cone Quantisation of Matrix Models at c>1 (1993)
The technique of (discretised) light-cone quantisation, as applied to matrix models of relativistic strings, is reviewed. The case of the c=2 non-critical bosonic string is discussed in some detail...
String Spectrum of 1+1-Dimensional Large N QCD with Adjoint Matter (1992)
We propose gauging matrix models of string theory to eliminate unwanted non-singlet states. To this end we perform a discretised light-cone quantisation of large N gauge theory in 1+1 dimensions,...
Light-Cone Quantization of the c=2 Matrix Model (1992)
We study the large $N$ limit of an interacting \td\ matrix field theory, whose perturbative expansion generates the sum over planar random graphs embedded in two dimensions. In the \lc\ quantization...
Unitary Matrix Models and 2D Quantum Gravity (Virasoro constraints modified) (1992)
Dalley, S., Johnson, C. V., Morris, T. R., Watterstam, A.
The KdV and modified KdV integrable hierarchies are shown to be different descriptions of the same 2D gravitational system -- open-closed string theory. Non-perturbative solutions of the...
The Weingarten Model a la Polyakov (1992)
The Weingarten lattice gauge model of Nambu-Goto strings is generalised to allow for fluctuations of an intrinsic worldsheet metric through a dynamical quadrilation. The continuum limit is taken for...
Non-Perturbative 2D Quantum Gravity, Again (1991)
Dalley, S., Johnson, C., Morris, T.
This is a talk given by S.D. at the the workshop on Random Surfaces and 2D Quantum Gravity, Barcelona 10-14 June 1991. It is an updated review of recent work done by the authors on a proposal for...