Numerical simulation tests with light dynamical quarks
F. Farchioni, C. Gebert, I. Montvay, L. Scorzato
TL;DR
This paper reports on numerical simulations of two light quark flavors using the TSMB algorithm on a lattice close to the thermodynamical crossover, analyzing autocorrelations and eigenvalue spectra.
Contribution
It introduces simulations with light dynamical quarks at small masses using TSMB on a specific lattice setup, exploring autocorrelations and eigenvalues.
Findings
Autocorrelation estimates vary with quark mass
Eigenvalue spectra of Wilson-Dirac operator analyzed
Simulations reach quark masses about one fifth of strange quark mass
Abstract
Two degenerate flavours of quarks are simulated with small masses down to about one fifth of the strange quark mass by using the two-step multi-boson (TSMB) algorithm. The lattice size is 8^3 x 16 with lattice spacing about 0.27fm which is not far from the N_t=4 thermodynamical cross-over line. Autocorrelations of different physical quantities are estimated as a function of the quark mass. The eigenvalue spectra of the Wilson-Dirac operator are investigated.
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