# Hybrid Monte Carlo and topological modes of full QCD

Allés, B. and Boyd, G. and D'Elia, M. and Giacomo, A. Di and Vicari, E. (1996) Hybrid Monte Carlo and topological modes of full QCD. Physics letters. B (389). pp. 107-111. ISSN 1873-2445

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## Abstract

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.

Item Type: Article Imported from arXiv Area02 - Scienze fisiche > FIS/02 - Fisica teorica, modelli e metodi matematici Dipartimenti (from 2013) > DIPARTIMENTO DI FISICA dott.ssa Sandra Faita 29 Oct 2013 00:41 29 Oct 2013 00:41 http://eprints.adm.unipi.it/id/eprint/1561

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