First study of Nf=2+1+1 lattice QCD with physical domain-wall quarks
T.W. Chiu*
on behalf of TWQCD Collaboration*: corresponding author
Pre-published on:
February 24, 2020
Published on:
August 27, 2020
Abstract
Using 10-16 units of Nvidia DGX-1, we have generated the first gauge ensemble for Nf=2+1+1 lattice QCD with physical (u/d,s,c) domain-wall quarks, on the 644 lattice with lattice spacing a∼0.064~fm (L>4 fm, and MπL>3). The salient feature of this gauge ensemble is that the chiral symmetry is preserved to a high precision and all topological sectors are sampled ergodically. In this paper, we present the first results of the topological susceptibility and the ground-state hadron mass spectra.
DOI: https://doi.org/10.22323/1.363.0133
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