Sign problem and MEM

Details Sign problem and MEM Sign problem and MEM

2006-01-13

arxiv.org/abs/hep-lat/0601017v1

Physics

High Energy Physics

High Energy Physics - Lattice

poster at the workshop on Extreme QCD, Swansea, August 2-5, 2005; 5 pages, 6 figures

Scientific paper

The sign problem is notorious in Monte Carlo simulations of lattice QCD with the finite density, lattice field theory (LFT) with a $\theta$ term and quantum spin models. In this report, to deal with the sign problem, we apply the maximum entropy method (MEM) to LFT with the $\theta$ term and investigate to what extent the MEM is applicable to this issue. Based on this study, we also make a brief comment about lattice QCD with the finite density in terms of the MEM.

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