Better HMC integrators for dynamical simulations

M. A. Clark, Bálint Joó, A. D. Kennedy, P. J. Silva

Research output: Contribution to journalConference articlepeer-review

5 Scopus citations

Abstract

We show how to improve the molecular dynamics step of Hybrid Monte Carlo, both by tuning the integrator using Poisson brackets measurements and by the use of force gradient integrators. We present results for moderate lattice sizes.

Original languageEnglish
JournalProceedings of Science
Volume105
StatePublished - 2010
Externally publishedYes
Event28th International Symposium on Lattice Field Theory, Lattice 2010 - Villasimius, Sardinia, Italy
Duration: Jun 14 2010Jun 19 2010

Funding

P. J. Silva acknowledges support from FCT via grant SFRH/BPD/40998/2007, and project PTDC/FIS/100968/2008. Bálint Joó acknowledges funding through US D.O.E Grants DE-FC02-06ER41440, DE-FC02-06ER41449 (SciDAC) and DE-AC05-060R23177 under which Jefferson Science Associates LLC manages and operates the Jefferson Lab. M. A. Clark acknowledges support from NSF via award No. PHY-0835713. The U.S. Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce this manuscript for U.S. Government purposes. The numerical results have been obtained using Chroma library [8].

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