Reducing Residual-Mass Effects for Domain-Wall Fermions

It has been suggested to project out a number of low-lying eigenvalues of the four-dimensional Wilson--Dirac operator that generates the transfer matrix of domain-wall fermions in order to improve simulations with domain-wall fermions. We investigate how this projection method reduces the residual c...

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Detalles Bibliográficos
Autores principales: Jansen, Karl, Nagai, Kei-ichi
Lenguaje:eng
Publicado: 2003
Materias:
Particle Physics - Lattice
Acceso en línea:https://dx.doi.org/10.1088/1126-6708/2003/12/038
http://cds.cern.ch/record/621414
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author Jansen, Karl
Nagai, Kei-ichi
author_facet Jansen, Karl
Nagai, Kei-ichi
author_sort Jansen, Karl
collection CERN
description It has been suggested to project out a number of low-lying eigenvalues of the four-dimensional Wilson--Dirac operator that generates the transfer matrix of domain-wall fermions in order to improve simulations with domain-wall fermions. We investigate how this projection method reduces the residual chiral symmetry-breaking effects for a finite extent of the extra dimension. We use the standard Wilson as well as the renormalization--group--improved gauge action. In both cases we find a substantially reduced residual mass when the projection method is employed. In addition, the large fluctuations in this quantity disappear.
id cern-621414
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2003
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spelling cern-6214142023-03-14T19:13:25Zdoi:10.1088/1126-6708/2003/12/038http://cds.cern.ch/record/621414engJansen, KarlNagai, Kei-ichiReducing Residual-Mass Effects for Domain-Wall FermionsParticle Physics - LatticeIt has been suggested to project out a number of low-lying eigenvalues of the four-dimensional Wilson--Dirac operator that generates the transfer matrix of domain-wall fermions in order to improve simulations with domain-wall fermions. We investigate how this projection method reduces the residual chiral symmetry-breaking effects for a finite extent of the extra dimension. We use the standard Wilson as well as the renormalization--group--improved gauge action. In both cases we find a substantially reduced residual mass when the projection method is employed. In addition, the large fluctuations in this quantity disappear.It has been suggested to project out a number of low-lying eigenvalues of the four-dimensional Wilson--Dirac operator that generates the transfer matrix of domain-wall fermions in order to improve simulations with domain-wall fermions. We investigate how this projection method reduces the residual chiral symmetry-breaking effects for a finite extent of the extra dimension. We use the standard Wilson as well as the renormalization--group--improved gauge action. In both cases we find a substantially reduced residual mass when the projection method is employed. In addition, the large fluctuations in this quantity disappear.hep-lat/0305009CERN-TH-2003-62DESY-03-029CERN-TH-2003-062DESY-03-029DESY-2003-029oai:cds.cern.ch:6214142003-05-10
spellingShingle Particle Physics - Lattice
Jansen, Karl
Nagai, Kei-ichi
Reducing Residual-Mass Effects for Domain-Wall Fermions
title Reducing Residual-Mass Effects for Domain-Wall Fermions
title_full Reducing Residual-Mass Effects for Domain-Wall Fermions
title_fullStr Reducing Residual-Mass Effects for Domain-Wall Fermions
title_full_unstemmed Reducing Residual-Mass Effects for Domain-Wall Fermions
title_short Reducing Residual-Mass Effects for Domain-Wall Fermions
title_sort reducing residual-mass effects for domain-wall fermions
topic Particle Physics - Lattice
url https://dx.doi.org/10.1088/1126-6708/2003/12/038
http://cds.cern.ch/record/621414
work_keys_str_mv AT jansenkarl reducingresidualmasseffectsfordomainwallfermions
AT nagaikeiichi reducingresidualmasseffectsfordomainwallfermions

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