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Hybrid Monte Carlo and topological modes of full QCD

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arxiv hep-lat/9607049 v2 pith:DYDAGFT7 submitted 1996-07-22 hep-lat

Hybrid Monte Carlo and topological modes of full QCD

B. All\'es , G. Boyd , M. D'Elia , A. Di Giacomo , E. Vicari This is my paper
classification hep-lat
keywords carlohybridmontealgorithmtopologicalfullglobalapproximately
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We investigate the performance of the hybrid Monte Carlo algorithm, the standard algorithm used for lattice QCD simulations involving fermions, in updating non-trivial global topological structures. We find that the hybrid Monte Carlo algorithm has serious problems decorrelating the global topological charge at the values of $\beta$ and $m$ currently simulated, where continuum physics should be approximately realized. This represents a warning which must be seriously considered when simulating full QCD by hybrid Monte Carlo.

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Cited by 5 Pith papers

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