Odd-flavor Simulations by the Hybrid Monte Carlo

Details Odd-flavor Simulations by the Hybrid Monte Carlo Odd-flavor Simulations by the Hybrid Monte Carlo

2000-09-20

arxiv.org/abs/hep-lat/0009024v2

Physics

High Energy Physics

High Energy Physics - Lattice

9 pages, 8 figures, Proceedings of the International Workshop on Nonperturbative Methods and Lattice QCD, Guangzhou, China

Scientific paper

The standard hybrid Monte Carlo algorithm is known to simulate even flavors QCD only. Simulations of odd flavors QCD, however, can be also performed in the framework of the hybrid Monte Carlo algorithm where the inverse of the fermion matrix is approximated by a polynomial. In this exploratory study we perform three flavors QCD simulations. We make a comparison of the hybrid Monte Carlo algorithm and the R-algorithm which also simulates odd flavors systems but has step-size errors. We find that results from our hybrid Monte Carlo algorithm are in agreement with those from the R-algorithm obtained at very small step-size.

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