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Speeding up lattice QCD simulations with clover-improved Wilson fermions

โœ Scribed by M. Hasenbusch; K. Jansen


Book ID
117554796
Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
199 KB
Volume
659
Category
Article
ISSN
0550-3213

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๐Ÿ“œ SIMILAR VOLUMES


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โœ M. Hasenbusch; K. Jansen ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 283 KB

We apply a recent proposal to speed up the Hybrid-Monte-Carlo simulation of systems with dynamical fermions to two flavor QCD with clover-improvement. For our smallest quark masses we see a speed-up of more than a factor of two compared with the standard algorithm.

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We discuss the implementation of a Sheikholeslami-Wohlert term for simulations of lattice QCD with dynamical Wilson fermions as required by Symanzik's improvement program. We show that for the Hybrid Monte Carlo or Kramers equation algorithm standard even-odd preconditioning can be maintained. We de