Hypercubic smeared links for dynamical fermions | Zendy

Anna Hasenfratz | Zendy; Roland Hoffmann | Zendy; Stefan Schaefer | Zendy

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Hypercubic smeared links for dynamical fermions

Author(s) -

Anna Hasenfratz,

Roland Hoffmann,

Stefan Schaefer

Publication year - 2007

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2007/05/029

Subject(s) - physics , fermion , normalization (sociology) , unitary state , gauge theory , statistical physics , particle physics , sociology , anthropology , political science , law

We investigate a variant of hypercubic gauge link smearing where the SU(3)projection is replaced with a normalization to the corresponding unitary group.This smearing is differentiable and thus suitable for use in dynamical fermionsimulations using molecular dynamics type algorithms. We show that thissmearing is as efficient as projected hypercubic smearing in removingultraviolet noise from the gauge fields. We test the normalized hypercubicsmearing in dynamical improved (clover) Wilson and valence overlap simulations.Comment: 18 pages, 4 figures, REVTeX

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