期刊
PHYSICAL REVIEW D
卷 87, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.87.054505
关键词
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资金
- Office of Science of the U.S. Department of Energy
- National Science Foundation's XSEDE Program
- U.S. Department of Energy [DE-FG02-91ER-40628, DE-FG02-91ER-40661, DE-FG02-04ER-41298, DE-FC02-06ER41446, DE-FC02-06ER-41439, DE-AC02-98CH10886]
- National Science Foundation [PHY07-57333, PHY07-03296, PHY07-57035, PHY07-04171, PHY09-03571, PHY09-70137, PHY09-03536, PHY10-67881]
- Fermi Research Alliance, LLC [DE-AC02-07CH11359]
- Science and Technology Facilities Council [ST/J000442/1, ST/G00059X/1] Funding Source: researchfish
- STFC [ST/G00059X/1, ST/J000442/1] Funding Source: UKRI
- Direct For Mathematical & Physical Scien
- Division Of Physics [1067881, 1151648, 0970137] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [1316748, 757035] Funding Source: National Science Foundation
- Office of Advanced Cyberinfrastructure (OAC)
- Direct For Computer & Info Scie & Enginr [0910735] Funding Source: National Science Foundation
We present results from our simulations of quantum chromodynamics with four flavors of quarks: u, d, s, and c. These simulations are performed with a one-loop Symanzik improved gauge action and the highly improved staggered quark action. We are generating gauge configurations with four values of the lattice spacing ranging from 0.06 to 0.15 fm, and three values of the light quark mass, including the value for which the Goldstone pion mass is equal to the physical pion mass. We discuss simulation algorithms, scale setting, taste symmetry breaking, and the autocorrelations of various quantities. We also present results for the topological susceptibility that demonstrate the improvement of the highly improved staggered quark configurations relative to those generated earlier with the asqtad improved staggered action.
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