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ID 14395
file
creator
JLQCD Collaboration
Aoki, S
Burkhalter, R
Fukugita, M
Hashimoto, S
Ishizuka, N
Iwasaki, Y
Kanaya, K
Kaneko, T
Kuramashi, Y
Onogi, T
Tominaga, S
Tsutsui, N
Ukawa, A
Yamada, N
Yoshie, T
subject
QCD simulation algorithm
mproved Wilson fermion
non-Hermitian polynomials HMC algorithm
NDC
Physics
abstract
We present an exact dynamical QCD simulation algorithm for the O(a)-improved Wilson fermion with odd number of flavors. Our algorithm is an extension of the non-Hermitian polynomials HMC algorithm proposed by Takaishi and de Forcrand previously. In our algorithm, the systematic errors caused by the polynomial approximation of the inverse of Dirac operator is removed by a noisy-Metropolis test. For one flavor quark it is achieved by taking the square root of the correction matrix explicitly. We test our algorithm for the case of Nf = 1 + 1 on a moderately large lattice size (16 3 × 48). The Nf = 2 + 1 case is also investigated.
journal title
Nuclear Physics B - Proceedings Supplements
volume
Volume 106-107
start page
1079
end page
1081
date of issued
2002-03
publisher
Elsevier Science B.V.
issn
0920-5632
ncid
publisher doi
language
eng
nii type
Journal Article
HU type
Journal Articles
DCMI type
text
format
application/pdf
text version
author
rights
Copyright (c) 2002 Elsevier Science B.V.
relation is version of URL
http://dx.doi.org/10.1016/S0920-5632(01)01934-X
department
Graduate School of Science