ACCEPTANCES AND AUTOCORRELATIONS IN THE HYBRID MONTE CARLO ALGORITHM

Sourendu Gupta
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Sourendu Gupta: Theory Division, CERN, CH-1211 Geneva, Switzerland

International Journal of Modern Physics C (IJMPC), 1992, vol. 03, issue 01, 43-52

Abstract: The acceptance probability in Hybrid Monte Carlo simulations of QCD, in particular, its dependence on the lattice size, quark mass and the coupling, is discussed. Results on the tuning of parameters required in order to achieve low autocorrelations in the 2-d XY model are presented. In both phases of this model, the dynamical critical exponent is close to 2 for runs with trajectory lengths between 1 and 3 molecular dynamics units.

Keywords: Hybrid Monte Carlo; acceptance; autocorrelation; dynamical critical exponent (search for similar items in EconPapers)
Date: 1992
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DOI: 10.1142/S012918319200004X

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