10.6k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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95 papers · 1 filter
Light-front CQM calculations of baryon electromagnetic form factors
F. Cardarelli, E. Pace, G. Salmé +1
The parameter-free predictions for the and electromagnetic transition form factors, obtained within our light-front constituent quark model us…
Kondo disorder: a possible route towards non-Fermi liquid behavior
E. Miranda, V. Dobrosavljevic, G. Kotliar
We present a general model of disorder in Kondo alloys that, under certain conditions, leads to non-Fermi liquid behavior. The central underlying idea is the presence of a distribu…
Specific Heat of the 2D Hubbard Model
Daniel Duffy, Adriana Moreo
Quantum Monte Carlo results for the specific heat c of the two dimensional Hubbard model are presented. At half-filling it was observed that at very low temperatures.…
A Plaquette Basis for the Study of Heisenberg Ladders
J. Piekarewicz, J. R. Shepard
We employ a plaquette basis-generated by coupling the four spins in a lattice to a well-defined total angular momentum-for the study of Heisenberg ladders with antiferro…
Subtractive Renormalization of Strong-Coupling Quenched QED in Four Dimensions
Frederick T. Hawes, Tom Sizer, Anthony G. Williams
We study renormalized quenched strong-coupling QED in four dimensions in arbitrary covariant gauge, in the Dyson-Schwinger equation formalism. Above the chiral critical coupling, w…
Search for Diphoton Events with Large Missing Transverse Energy in proton-antiproton collisions at sqrt(s) = 1.8 TeV
S. Abachi
A search for signals of new physics has been carried out in the channel p pbar -> gamma gamma + ETmiss. This signature is expected in various recently proposed supersymmetric (SUSY…
Search for Top Squark Pair Production in the Dielectron Channel
D0 Collaboration, S. Abachi
This report describes the first search for top squark pair production in the channel stop_1 stopbar_1 -> b bbar chargino_1 chargino_1 -> ee+jets+MEt using 74.9 +- 8.9 pb^-1 of data…
A Simple Proof of the BPH Theorem
A. D. Kennedy
A new formalism is given for the renormalization of quantum field theories to all orders of perturbation theory, in which there are manifestly no overlapping divergences. We prove…
Limits on Anomalous Couplings from Events at TeV
The DZero Collaboration, S. Abachi
We have measured the gauge boson coupling parameters using () events at TeV. The data, corresponding to an integrated luminosi…
Mesoscopic Behavior Near a Two-Dimensional Metal-Insulator Transition
Dragana Popović, S. Washburn
We study conductance fluctuations in a two-dimensional electron gas as a function of chemical potential (or gate voltage) from the strongly insulating to the metallic regime. Power…
Baryon Magnetic Moments in a Relativistic Quark Model
Simon Capstick, B. D. Keister
Magnetic moments of baryons in the ground-state octet and decuplet are calculated in a light-front framework. We investigate the effects of quark mass variation both in the current…
Which Chiral Symmetry is Restored in High Temperature QCD?
Claude Bernard, Tom Blum, Carleton DeTar +7
Sigma models for the high temperature phase transition in quantum chromodynamics (QCD) suggest that at high temperature the SU(N_f) x SU(N_f) chiral symmetry becomes exact, but the…
Spectral Functions of One-dimensional Models of Correlated Electrons
Julien Favand, Stephan Haas, Karlo Penc +2
Using the Ogata-Shiba wave function, the spectral functions of the one-dimensional infinite U Hubbard model are calculated for various concentrations. It is shown that the ``shadow…
A Comparison of the High-Frequency Magnetic Fluctuations in Insulating and Superconducting La2-xSrxCuO4
S. M. Hayden, G. Aeppli, H. A. Mook +4
Inelastic neutron scattering performed at a spallation source is used to make absolute measurements of the dynamic susceptibility of insulating La2CuO4 and superconducting La2-xSrx…
Non-perturbative determination of the axial current normalization constant in O(a) improved lattice QCD
Martin Lüscher, Stefan Sint, Rainer Sommer +1
A finite-size technique is employed to compute the normalization constant of the isovector axial current in lattice QCD. The calculation is carried out in the quenched approx…
Effects of boundary conditions on magnetization switching in kinetic Ising models of nanoscale ferromagnets
Howard L. Richards, M. Kolesik, Per-Anker Lindgard +2
Magnetization switching in highly anisotropic single-domain ferromagnets has been previously shown to be qualitatively described by the droplet theory of metastable decay and simul…
Improving Lattice Quark Actions
M. Alford, T. R. Klassen, G. P. Lepage
We explore the first stage of the Symanzik improvement program for lattice Dirac fermions, namely the construction of doubler-free, highly improved classical actions on isotropic a…
Phase separation at all interaction strengths in the t-J model
C. Stephen Hellberg, E. Manousakis
We investigate the phase diagram of the two-dimensional t-J model using a recently developed Green's Function Monte Carlo method for lattice fermions. We use the technique to calcu…
Mean field theory of the Mott-Anderson transition
V. Dobrosavljevic, G. Kotliar
We present a theory for disordered interacting electrons that can describe both the Mott and the Anderson transition in the respective limits of zero disorder and zero interaction.…
Non-perturbative O(a) improvement of lattice QCD
Martin Luescher, Stefan Sint, Rainer Sommer +2
The coefficients multiplying the counterterms required for O() improvement of the action and the isovector axial current in lattice QCD are computed non-perturbatively, in the q…
Signals for the Minimal Gauge-mediated Supersymmetry Breaking Model at the Fermilab Tevatron Collider
Howard Baer, Michal Brhlik, Chih-hao Chen +1
We investigate the experimental implications of the minimal gauge-mediated low energy supersymmetry breaking (GMLESB) model for Fermilab Tevatron collider experiments. We map out t…
QCD Improved Constraints on the Minimal Supergravity Model
Howard Baer, Michal Brhlik
Recent advances in the QCD corrections to decay in the MSSM include i.) evaluation of the relevant operators, Wilson coefficients and anomalous dimension matrix elements…
Quantum-critical scaling and temperature-dependent logarithmic corrections in the spin-half Heisenberg chain
O. A. Starykh, R. R. P. Singh, A. W. Sandvik
Low temperature dynamics of the S=1/2 Heisenberg chain is studied via a simple ansatz generalizing the conformal mapping and analytic continuation procedures to correlation functio…
Spectral Properties of Quasiparticle Excitations Induced by Magnetic Moments in Superconductors
M. I. Salkola, A. V. Balatsky, J. R. Schrieffer
The consequences of localized, classical magnetic moments in superconductors are explored and their effect on the spectral properties of the intragap bound states is studied. Above…