The finite temperature QCD using 2+1 flavors of domain wall fermions at N_t = 8 (2009)
Cheng, M., Christ, N. H., Hegde, P., Karsch, F., Li, Min, Lin, M. F., ...
We study the region of the QCD phase transition using 2+1 flavors of domain wall fermions (DWF) and a $16^3 \times 8$ lattice volume with a fifth dimension of $L_s = 32$. The disconnected light quark...
Equation of state and QCD transition at finite temperature (2009)
Bazavov, A., Bhattacharya, T., Cheng, M., Christ, N. H., DeTar, C., Ejiri, S., ...
We calculate the equation of state in 2+1 flavor QCD at finite temperature with physical strange quark mass and almost physical light quark masses using lattices with temporal extent Nt=8....
Sturm, C., Aoki, Y., Christ, N. H., Izubuchi, T., Sachrajda, C. T. C., Soni, A.
We extend the Rome-Southampton RI/MOM renormalization scheme for bilinear operators to one with a non-exceptional, symmetric subtraction point. Two-point Green's function with the insertion of quark...
Physical Results from 2+1 Flavor Domain Wall QCD and SU(2) Chiral Perturbation Theory (2008)
Allton, C., Antonio, D. J., Aoki, Y., Blum, T., Boyle, P. A., Christ, N. H., ...
We have simulated QCD using 2+1 flavors of domain wall quarks on a $(2.74 {\rm fm})^3$ volume with an inverse lattice scale of $a^{-1} = 1.729(28)$ GeV. The up and down (light) quarks are degenerate...
Physical results from 2+1 flavor domain wall QCD and SU(2) Chiral Perturbation Theory (2008)
Alton, C., Antonio, D.J., Aoki, Y., Blum, T., Boyle, P.A., Christ, N.H., ...
We have simulated QCD using 2+1 flavors of domain wall quarks on a (2.74 {\rm fm})^3 volume with an inverse lattice scale of a^{-1} = 1.729(28) GeV. The up and down (light) quarks are degenerate in...
Aoki, Y., Boyle, P. A., Christ, N. H., Dawson, C., Donnellan, M. A., Izubuchi, T., ...
We present a calculation of the renormalization coefficients of the quark bilinear operators and the K-Kbar mixing parameter B_K. The coefficients relating the bare lattice operators to those in the...
The QCD Equation of State with almost Physical Quark Masses (2007)
Cheng, M., Christ, N. H., Datta, S., Jung, C., Karsch, F., ...
We present results on the equation of state in QCD with two light quark flavors and a heavier strange quark. Calculations with improved staggered fermions have been performed on lattices with...
Nonperturbative renormalization of quark bilinear operators and BK using domain wall fermions (2007)
Aoki, Y., Boyle, P.A., Christ, N.H., Dawson, C., Donnellan, M.A., Izubuchi, T., ...
Neutral kaon mixing from 2+1 flavor Domain Wall QCD (2007)
Antonio, D. J., Boyle, P. A., Blum, T., Christ, N. H., Cohen, S. D., Dawson, C., ...
We present the first results for neutral kaon mixing using 2+1 flavors of domain wall fermions. A new approach is used to extrapolate to the physical up and down quark masses from our numerical...
Study of the finite temperature transition in 3-flavor QCD (2007)
Christ, N. H, Clark, M. A, Jung, C, Karsch, F, ...
We study the finite temperature transition in QCD with three flavors of equal masses using the R and RHMC algorithms on lattices with temporal extent N-tau=4 and 6. For the transition temperature in...
2+1 flavor domain wall QCD on a (2 fm)^3 lattice: light meson spectroscopy with Ls = 16 (2007)
Allton, C., Antonio, D. J., Blum, T., Bowler, K. C., Boyle, P. A., Christ, N. H., ...
We present results for light meson masses and pseudoscalar decay constants from the first of a series of lattice calculations with 2+1 dynamical flavors of domain wall fermions and the Iwasaki gauge...
B - anti-B mixing with domain wall fermions in the static approximation (2007)
Albertus, C., Aoki, Y., Boyle, P.A., Christ, N.H., Del Debbio, L., Dumitrescu, T.T., ...
We present preliminary numerical results for the pseudoscalar decay constants fB and fBs and the DB = 2 mixing matrix elements in the B0 and B0s systems. We use the static approximation for the...
Flavor symmetry breaking and scaling for improved staggered actions in quenched QCD (2006)
Cheng, M., Christ, N. H., Jung, C., Karsch, F., Mawhinney, R. D., Petreczky, P., ...
We present a study of the flavor symmetry breaking in the pion spectrum for various improved staggered fermion actions. To study the effects of link fattening and tadpole improvement, we use three...
Antonio, D. J., Blum, T., Bowler, K. C., Boyle, P. A., Christ, N. H., Cohen, S. D., ...
We present results for the static interquark potential, light meson and baryon masses, and light pseudoscalar meson decay constants obtained from simulations of domain wall QCD with one dynamical...
Study of the finite temperature transition in 3-flavor QCD using the R and RHMC algorithms (2006)
Cheng, M., Christ, N. H., Clark, M. A., Jung, C., Karsch, F., ...
We study the finite temperature transition in QCD with three flavors of equal masses using the R and RHMC algorithm on lattices with temporal extent N_{\tau}=4 and 6. For the transition temperature...
Transition temperature in QCD (2006)
Christ, N. H, Datta, S, Jung, C, Karsch, F, ...
We present a detailed calculation of the transition temperature in QCD with two light and one heavier (strange) quark mass on lattices with temporal extent N-tau=4 and 6. Calculations with improved...
The transition temperature in QCD (2006)
Cheng, M., Christ, N. H., Datta, S., Jung, C., Karsch, F., ...
We present a detailed calculation of the transition temperature in QCD with two light and one heavier (strange) quark mass on lattices with temporal extent N_t =4 and 6. Calculations with improved...
Aubin, C., Christ, N. H., Dawson, C., Laiho, J., Noaki, J., Li, S., ...
We discuss the implementation and properties of the quenched approximation in the calculation of the left-right, strong penguin contributions (i.e. Q_6) to epsilon'/epsilon. The coefficient of the...
The Kaon B-parameter from Quenched Domain-Wall QCD (2005)
Aoki, Y., Blum, T., Christ, N. H., Dawson, C., Izubuchi, T., Mawhinney, R. D., ...
We present numerical results for the kaon B-parameter, B_K, determined in the quenched approximation of lattice QCD. Our simulations are performed using domain-wall fermions and the renormalization...
QCDOC: A 10 Teraflops Computer for Tightly-coupled Calculations (2004)
P. A. Boyle, D. Chen, N. H. Christ, M. Clark, S. D. Cohen, C. Cristian, ...
Numerical simulations of the strong nuclear force, known as quantum chromodynamics or QCD, have proven to be a demanding, forefront problem in high-performance computing. In this report, we describe...
QCDOC: A 10 Teraflops Computer for Tightly-coupled Calculations (2004)
P. A. Boyle, D. Chen, N. H. Christ, M. Clark, S. D. Cohen, C. Cristian, ...
Numerical simulations of the strong nuclear force, known as quantum chromodynamics or QCD, have proven to be a demanding, forefront problem in high-performance computing. In this report, we describe...
Hardware and software status of QCDOC (2003)
Boyle, P. A., Chen, D., Christ, N. H., Clark, M., Cohen, S. D., Cristian, C., ...
QCDOC is a massively parallel supercomputer whose processing nodes are based on an application-specific integrated circuit (ASIC). This ASIC was custom-designed so that crucial lattice QCD kernels...
Status of and performance estimates for QCDOC (2002)
Boyle, P., Chen, D., Christ, N. H., Cristian, C., Dong, Z., Gara, A., ...
QCDOC is a supercomputer designed for high scalability at a low cost per node. We discuss the status of the project and provide performance estimates for large machines obtained from cycle accurate...
Status of the QCDOC project (2001)
Boyle, P. A., Chen, D., Christ, N. H., Cristian, C., Dong, Z., Gara, A., ...
A status report is given of the QCDOC project, a massively parallel computer optimized for lattice QCD using system-on-a-chip technology. We describe several of the hardware and software features...
QCDSP machines: design, performance and cost (2000)
Chen, D, Chen, P, Christ, N H, Edwards, R G, Fleming, G, Gara, A, ...
QCDOC: A 10-teraflops scale computer for lattice QCD (2000)
Chen, D., Christ, N. H., Cristian, C., Dong, Z., Gara, A., Garg, K., ...
The architecture of a new class of computers, optimized for lattice QCD calculations, is described. An individual node is based on a single integrated circuit containing a PowerPC 32-bit integer...
QCDSP: a teraflop scale massively parallel supercomputer (1999)
Chen, D, Chen, P, Christ, N H, Edwards, R G, Fleming, G, Gara, A, ...