Cutoff-effects in the spectrum of dynamical Wilson fermions

M. Della Morte, R. Hoffmann, F. Knechtli, U. Wolff

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Resumé

We investigate the low-lying eigenvalues of the improved Wilson-Dirac operator in the Schroedinger functional with two dynamical quark flavors. At a lattice spacing of approximately 0.1 fm we find more very small eigenvalues than in the quenched case. These cause problems with HMC-type algorithms and in the evaluation of fermionic correlation functions. Through a simulation at a finer lattice spacing we are able to establish their nature as cutoff-effects
OriginalsprogUdefineret/Ukendt
TidsskriftNuclear Physics, Section B
ISSN0550-3213
DOI
StatusUdgivet - 1. sep. 2004

Bibliografisk note

Lattice2004(machines), 3 pages, 3 figures, talk by R.H

Emneord

  • hep-lat

Citer dette

@article{c5bd712842814dfab352769dac676cbf,
title = "Cutoff-effects in the spectrum of dynamical Wilson fermions",
abstract = "We investigate the low-lying eigenvalues of the improved Wilson-Dirac operator in the Schroedinger functional with two dynamical quark flavors. At a lattice spacing of approximately 0.1 fm we find more very small eigenvalues than in the quenched case. These cause problems with HMC-type algorithms and in the evaluation of fermionic correlation functions. Through a simulation at a finer lattice spacing we are able to establish their nature as cutoff-effects",
keywords = "hep-lat",
author = "Morte, {M. Della} and R. Hoffmann and F. Knechtli and U. Wolff",
note = "Lattice2004(machines), 3 pages, 3 figures, talk by R.H",
year = "2004",
month = "9",
day = "1",
doi = "10.1016/j.nuclphysbps.2004.11.349",
language = "Udefineret/Ukendt",
journal = "Nuclear Physics, Section B",
issn = "0550-3213",
publisher = "Elsevier",

}

Cutoff-effects in the spectrum of dynamical Wilson fermions. / Morte, M. Della; Hoffmann, R.; Knechtli, F.; Wolff, U.

I: Nuclear Physics, Section B, 01.09.2004.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

TY - JOUR

T1 - Cutoff-effects in the spectrum of dynamical Wilson fermions

AU - Morte, M. Della

AU - Hoffmann, R.

AU - Knechtli, F.

AU - Wolff, U.

N1 - Lattice2004(machines), 3 pages, 3 figures, talk by R.H

PY - 2004/9/1

Y1 - 2004/9/1

N2 - We investigate the low-lying eigenvalues of the improved Wilson-Dirac operator in the Schroedinger functional with two dynamical quark flavors. At a lattice spacing of approximately 0.1 fm we find more very small eigenvalues than in the quenched case. These cause problems with HMC-type algorithms and in the evaluation of fermionic correlation functions. Through a simulation at a finer lattice spacing we are able to establish their nature as cutoff-effects

AB - We investigate the low-lying eigenvalues of the improved Wilson-Dirac operator in the Schroedinger functional with two dynamical quark flavors. At a lattice spacing of approximately 0.1 fm we find more very small eigenvalues than in the quenched case. These cause problems with HMC-type algorithms and in the evaluation of fermionic correlation functions. Through a simulation at a finer lattice spacing we are able to establish their nature as cutoff-effects

KW - hep-lat

U2 - 10.1016/j.nuclphysbps.2004.11.349

DO - 10.1016/j.nuclphysbps.2004.11.349

M3 - Tidsskriftartikel

JO - Nuclear Physics, Section B

JF - Nuclear Physics, Section B

SN - 0550-3213

ER -