Multi-Step stochastic correction in dynamical fermion updating algorithms

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dc.creatorScholz, Enno E.
dc.creatorMontvay, Istvan
dc.date2006-09-25
dc.date2006-10-20
dc.date.accessioned2026-07-07T10:41:17Z
dc.date.available2026-07-07T10:41:17Z
dc.descriptionThe advantages of using Multi-Step corrections for simulations of lattice gauge theories with dynamical fermions will be discussed. This technique is suited for algorithms based on the Multi-Boson representation of the dynamical fermions as well as for the Hybrid Monte-Carlo (HMC) algorithm and variants of the latter, like the Polynomial-HMC. Especially the latter has the power to deal with an odd number of fermion fields--an essential feature necessary for realistic QCD-simulations with up-, down-, and strange-quarks. In particular, we will discuss the application of the multi-step (actually two-step) correction technique to a PHMC updating algorithm for twisted-mass Wilson fermions with non-degenerate fermion masses, as it was used in recent dynamical simulations for N_f=2+1+1 fermion flavors.
dc.description7 pages, 2 figures, talk presented at Lattice 2006(Algorithms, Machines, and Networks), Tucson; v2: replaced with version accepted by PoS: minor modifications, content unchanged
dc.identifierhttps://arxiv.org/abs/hep-lat/0609042
dc.identifierhttp://arxiv.org/abs/hep-lat/0609042
dc.identifierPoSLAT2006:037,2006
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/181579
dc.subjectHigh Energy Physics - Lattice
dc.titleMulti-Step stochastic correction in dynamical fermion updating algorithms
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