Year: 2010
Type: preprint
Abstract: We report on the status of a program of generating and using configurations with four flavors of dynamical quarks, using the HISQ action. We study the lattice spacing dependence of physical quantities in these simulations, using runs at several lattice spacings, but with the light quark mass held fixed at two tenths of the strange quark mass. We find that the lattice artifacts in the HISQ simulations are much smaller than those in the asqtad simulations at the same lattice spacings and quark masses. We also discuss methods for setting the scale, or assigning a lattice spacing to ensembles run at unphysical parameters.
Source: arXiv (Cornell University)
Authors: Bazavov, A., Bernard, C., DeTar, C., Freeman, W., Gottlieb, Steven, Heller, U. M., Hetrick, J. E., Laiho, J., Levkova, L., Oktay, M., Osborn, J., Sugar, R. L., Toussaint, D., Van de Water, R. S.
Institutions: University of Arizona, Washington University in St. Louis, University of Utah, Indiana University Bloomington, Indiana University, American Physical Society, University of the Pacific, University of Glasgow, Argonne National Laboratory, Argonne Leadership Computing Facility, University of California, Santa Barbara, Brookhaven National Laboratory
Language: English
Subfield: Nuclear and High Energy Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W1621696876