Abstract
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 (TχL), we have launched a feasibiliy study on a 24 3 × 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 β = 5.6 and two κ-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 m πa ∼ 5.6 .
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