Full QCD with dynamical Wilson fermions on a 24^3 x 40-lattice -- a feasibility study

Details Full QCD with dynamical Wilson fermions on a 24^3 x 40-lattice -- a feasibility study Full QCD with dynamical Wilson fermions on a 24^3 x 40-lattice -- a feasibility study

1996-09-12

arxiv.org/abs/hep-lat/9609028v1

Nucl.Phys.Proc.Suppl. 53 (1997) 222-224

Physics

High Energy Physics

High Energy Physics - Lattice

Latex, 3 pages, postscript figures

Scientific paper

10.1016/S0920-5632(96)00620-2

The investigation of light sea-quark effects in lattice QCD with dynamical Wilson fermions requires both larger physical volumes and finer lattice resolutions than achieved previously. As high-end supercomputers like the 512-node APE Tower provide the compute power to perform a major step towards the chiral limit (T-chi-L), we have launched a feasibility study on a 24^3 x 40 lattice. We approach the chiral limit--while refining the resolution--, using the standard Wilson fermion action. Following previous work, our Hybrid Monte Carlo simulation runs at beta=5.6 and two kappa-values, 0.1575 and 0.158. From our study, we are confident that, for the APE Tower, a realistic working point has been found corresponding to a volume of 2 fm^3, with chirality characterized by 1/(a m_pi) = 5.6.

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