Recent Progress in Lattice QCD Thermodynamics (2008)
This review gives a critical assessment of the current state of lattice simulations of QCD thermodynamics and what it teaches us about hot hadronic matter. It outlines briefly lattice methods for...
Toward a precise determination of Tc with 2+1 flavors of quarks (2007)
DeTar, Carleton, Gupta, Rajan, Collaboration, For The HotQCD
We present a status report on a new high statistics study of the high temperature transition in full QCD at zero chemical potential. Our simulations use both improved asqtad and p4 staggered quarks...
Sharing lattices throughout the world: an ILDG status report (2007)
The international lattice data grid, a system for sharing gauge configuration files throughout the world, is operational for the most part. I give a status report, give some pointers on accessing...
Scalar Meson Spectroscopy with Lattice Staggered Fermions (2007)
Bernard, Claude, DeTar, Carleton, Fu, Ziwen, Prelovsek, Sasa
With sufficiently light up and down quarks the isovector ($a_0$) and isosinglet ($f_0$) scalar meson propagators are dominated at large distance by two-meson states. In the staggered fermion...
Topological susceptibility in staggered fermion chiral perturbation theory (2004)
Billeter, Brian, DeTar, Carleton, Osborn, James
The topological susceptibility of the vacuum in quantum chromodynamics has been simulated numerically using the Asqtad improved staggered fermion formalism. At nonzero lattice spacing the residual...
The QCD spectrum with three quark avors (2002)
Claude Bernard, Tom Burch, Kostas Orginos, Thomas A. Degrand, Carleton Detar, Saumen Datta, ...
We present results from a lattice hadron spectrum calculation using three avors of dynamical quarks | two light and one strange, and quenched simulations for comparison. These simulations were done...
Computational Engineering and Science Program at the University of Utah (2001)
Carleton Detar, Aaron L. Fogelson, Christopher R. Johnson, Christopher A. Sikorski
ional programs in each of these areas stop at the sophomore level --- or earlier --- in the other area. Also, education tends to be ad hoc, on the job and self-taught." This situation has arisen...
Lattice Results for the Decay Constant of Heavy-Light Vector Mesons (2001)
Claude Bernard, Peter Williams, Saumen Datta, Steven Gottlieb, Thomas A. Degrand, Carleton Detar, ...
We compute the leptonic decay constant of heavy-light vector mesons in the quenched approximation. The reliability of lattice computations for heavy quarks is checked by comparing the ratio of the...
The QCD spectrum with three quark flavors (2001)
Claude Bernard, Tom Burch, Kostas Orginos, Thomas A. Degrand, Carleton Detar, Saumen Datta, ...
We present results from a lattice hadron spectrum calculation using three flavors of dynamical quarks --- two light and one strange, and quenched simulations for comparison. These simulations were...
The QCD spectrum with three quark flavors (2001)
Bernard, Claude, Burch, Tom, DeGrand, Thomas A., Datta, Saumen, DeTar, Carleton, Gottlieb, Steven, ...
We present results from a lattice hadron spectrum calculation using three flavors of dynamical quarks - two light and one strange, and quenched simulations for comparison. These simulations were done...
Potts Flux Tube Model at Nonzero Chemical Potential (1999)
Condella, Jac, DeTar, Carleton
We model the deconfinement phase transition in quantum chromodynamics at nonzero baryon number density and large quark mass by extending the flux tube model (three-state, three-dimensional Potts...
Scaling and Eigenmode Tests of the Improved Fat Clover Action (1999)
Stephenson, Mark, DeTar, Carleton, DeGrand, Thomas, Hasenfratz, Anna
We test a recently proposed improved lattice-fermion action, the fat link clover action, examining indicators of pathological small-quark-mass lattice artifacts ("exceptional configurations") on...
Bernard, MILC Collaboration: Claude, DeGrand, Thomas, DeTar, Carleton, Gottlieb, Steven, Heller, Urs M., Hetrick, James E., ...
We describe a calculation of heavy-light decay constants including virtual quark loop effects. We have generated dynamical gauge configurations at three $\beta$ values using two flavors of...
First Signs for String Breaking in Two-Flavor QCD (1999)
DeTar, Carleton, Heller, Urs, Lacock, Pierre
We have been examining the phenomenon of string breaking in QCD with two flavors of dynamical staggered quarks. We construct a transfer matrix from a combination of ``string'' and ``two-meson''...
String Breaking in Lattice Quantum Chromodynamics (1998)
DeTar, Carleton, Kaczmarek, Olaf, Karsch, Frithjof, Laermann, Edwin
The separation of a heavy quark and antiquark pair leads to the formation of a tube of flux, or string, which should break in the presence of light quark-antiquark pairs. This expected zero...
Claude Bernard, Tom Blum, Carleton Detar, Steven Gottlieb, Urs M. Heller, James E. Hetrick, ...
We calculate the light quark spectrum of lattice QCD in the quenched approximation using Kogut-Susskind quarks. By combining results for different lattice spacings, several volumes and five quark...
Claude Bernard, Tom Blum, Carleton Detar, Steven Gottlieb, Urs M. Heller, E. Hetrick, ...
We calculate the light quark spectrum of lattice QCD in the quenched approximation using Kogut-Susskind quarks. By combining results for different lattice spacings, several volumes and five quark...
Claude Bernard, Tom Blum, Carleton Detar, Steven Gottlieb, Urs M. Heller, E. Hetrick, ...
We calculate the light quark spectrum of lattice QCD in the quenched approximation using Kogut-Susskind quarks. By combining results for different lattice spacings, several volumes and five quark...
Bernard, MILC Collaboration: Claude, Blum, Tom, DeTar, Carleton, Gottlieb, Steven, Heller, Urs M., Hetrick, James E., ...
We calculate the light quark spectrum of lattice QCD in the quenched approximation using Kogut-Susskind quarks. By combining results for different lattice spacings, several volumes and five quark...
Quenched Hadron Spectroscopy With Improved Staggered Quark Action (1997)
Claude Bernard, Tom Blum, Thomas A. Degrand, Carleton Detar, Craig Mcneile, Steven Gottlieb, ...
this paper, we study the improvement of the staggered (Kogut-Susskind) quark lattice QCD action with quenched spectroscopy calculations. The improvement is implemented by adding a...
Quenched Hadron Spectroscopy With Improved Staggered Quark Action (1997)
Claude Bernard, Tom Blum, Thomas A. Degrand, Carleton Detar, Craig Mcneile, Steven Gottlieb, ...
this paper, we study the improvement of the staggered (Kogut-Susskind) quark lattice QCD action with quenched spectroscopy calculations. The improvement is implemented by adding a...
Quenched hadron spectroscopy with improved staggered quark action (1997)
Bernard, MILC Collaboration: Claude, Blum, Tom, DeGrand, Thomas A., DeTar, Carleton, Gottlieb, Steven, Heller, Urs M., ...
We investigate light hadron spectroscopy with an improved quenched staggered quark action. We compare the results obtained with an improved gauge plus an improved quark action, an improved gauge plus...
Light quark spectrum with improved gauge and fermion actions (1997)
Bernard, MILC Collaboration: Claude, DeGrand, Tom, DeTar, Carleton, Gottlieb, Steven, Heller, Urs M., Hetrick, Jim, ...
We report on a study of the light quark spectrum using an improved gauge action and both Kogut-Susskind and Naik quark actions. We have studied six different lattice spacings, corresponding to...
Exotic mesons in quenched lattice QCD (1997)
Claude Bernard, James E. Hetrick, Thomas A. Degr, Matthew Wingate, Carleton Detar, Craig Mcneile, ...
This paper[19] also lists other experiments that have reported a low mass for the 1
Heavy-light decay constants---MILC results with the Wilson action (1997)
Bernard, MILC Collaboration: Claude, Blum, Tom, DeGrand, Thomas A., DeTar, Carleton, Gottlieb, Steven, Heller, Urs M., ...
We present the current status of our ongoing calculations of pseudoscalar meson decay constants for mesons that contain one light and one heavy quark (f_B, f_{B_s}, f_D, f_{D_s}). We are currently...
Light hadron spectrum---MILC results with the Kogut-Susskind and Wilson actions (1997)
Bernard, MILC Collaboration: Claude, Blum, Tom, DeTar, Carleton, Gottlieb, Steven, Heller, Urs M., Hetrick, Jim, ...
We present the current status of our ongoing calculations of the light hadron spectrum with both Kogut-Susskind (KS) and Wilson quarks in the valence or quenched approximation. We discuss KS quarks...
Exotic mesons in quenched lattice QCD (1997)
Bernard, MILC Collaboration: Claude, DeGrand, Thomas A., DeTar, Carleton, Gottlieb, Steven, Heller, Urs M., Hetrick, James E., ...
Since gluons in QCD are interacting fundamental constituents just as quarks are, we expect that in addition to mesons made from a quark and an antiquark, there should also be glueballs and hybrids...
QCD Thermodynamics with an Improved Lattice Action (1997)
Bernard, Claude, Hetrick, James E., DeGrand, Thomas, Wingate, Matthew, DeTar, Carleton, Gottlieb, Steven, ...
We have investigated QCD with two flavors of degenerate fermions using a Symanzik-improved lattice action for both the gauge and fermion actions. Our study focuses on the deconfinement transition on...
Which Chiral Symmetry is Restored in High Temperature QCD? (1996)
Bernard, Claude, Blum, Tom, DeTar, Carleton, Gottlieb, Steven, Heller, Urs M., Hetrick, James E., ...
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 anomalous axial...
Improving flavor symmetry in the Kogut-Susskind hadron spectrum (1996)
Blum, Tom, DeTar, Carleton, Gottlieb, Steven, Heller, Urs M., Hetrick, James E., Rummukainen, Kari, ...
We study the effect of modifying the coupling of Kogut-Susskind quarks to the gauge field by replacing the link matrix in the quark action by a "fat link", or sum of link plus three-link paths....
Finite Temperature Lattice QCD with Clover Fermions (1996)
Bernard, Claude, Blum, Tom, DeGrand, Thomas A., DeTar, Carleton, Gottlieb, Steven, Heller, Urs M., ...
We report on our simulation of finite temperature lattice QCD with two flavors of ${\cal O}(a)$ Symanzik-improved fermions and ${\cal O}(a^2)$ Symanzik-improved glue. Our thermodynamic simulations...
Exotic hybrid mesons with light quarks (1996)
Bernard, Claude, Blum, Tom, DeGrand, Thomas A., DeTar, Carleton, Gottlieb, Steven, Heller, Urs. M., ...
Hybrid mesons, made from a quark, an antiquark and gluons, can have quantum numbers inaccessible to conventional quark-antiquark states. Confirmation of such states would give information on the role...
Two-Flavor Staggered Fermion Thermodynamics at N_t = 12 (1996)
Bernard, Claude, Blum, Tom, DeTar, Carleton, Gottlieb, Steven, Rummukainen, Kari, Heller, Urs M., ...
We present results of an ongoing study of the nature of the high temperature crossover in QCD with two light fermion flavors. These results are obtained with the conventional staggered fermion action...
Quark Gluon Plasma from Numerical Simulations of Lattice QCD (1995)
Numerical simulations of quantum chromodynamics at nonzero temperature provide information from first principles about the physical properties of the quark gluon plasma. Because the lattice...
SU(3) Lattice Gauge Theory With Adjoint Action At Nonzero Temperature (1994)
Blum, T., DeTar, Carleton, Heller, Urs M., Karkkainen, Leo, Toussaint, D.
We study the thermal phase diagram of pure SU(3) gauge theory with fundamental and adjoint couplings. We improve previous estimates of the position of the bulk transition line and determine the...
QCD thermodynamics with Wilson quarks at large kappa (1994)
Blum, Tom, DeGrand, Thomas A., DeTar, Carleton, Gottlieb, Steven, Hasenfratz, A., Karkkainen, Leo, ...
We have extended our study of the high temperature transition with two flavors of Wilson quarks on 12^3 x 6 lattices to kappa=0.19. We have also performed spectrum calculations on 12^3 x 24 lattices...
The nature of the thermal phase transition with Wilson quarks (1993)
Bernard, Claude, DeGrand, Thomas A., DeTar, Carleton, Gottlieb, Steven, Hasenfratz, A., Karkkainen, Leo, ...
We describe a series of simulations of high temperature QCD with two flavors of Wilson quarks aimed at clarifying the nature of the high temperature phase found in current simulations. Most of our...
Baryon Density Correlations in High Temperature Hadronic Matter (1993)
Bernard, Claude, DeGrand, Thomas A., DeTar, Carleton, Gottlieb, Steven, Krasnitz, Alex, Sugar, Robert L., ...
As part of an ongoing effort to characterize the high temperature phase of QCD, in a numerical simulation using the staggered fermion scheme, we measure the quark baryon density in the vicinity of a...
QCD thermodynamics with two flavors of Wilson quarks at N_t=6 (1992)
Bernard, Claude, Ogilvie, Michael C., DeGrand, Thomas A., DeTar, Carleton, Gottlieb, Steven, Krasnitz, Alex, ...
We report on a study of hadron thermodynamics with two flavors of Wilson quarks on 12^3x6 lattices. We have studied the crossover between the high and low temperature regimes for three values of the...
Tunneling and the Spectrum of the Potts Model (1992)
Wang, Jing-Dong, DeTar, Carleton
The three-dimensional, three-state Potts model is studied as a paradigm for high temperature quantum chromodynamics. In a high statistics numerical simulation using a Swendson-Wang algorithm, we...
Thesis (Ph. D. in Physics)--University of California, Berkeley, Sept. 1970