IMPROVING STOCHASTIC ESTIMATOR TECHNIQUES FOR DISCONNECTED DIAGRAMS

Authors
VIEHOFF J EICKER N GUSKEN S HOEBER H LACOCK P LIPPERT T SCHILLING K SPITZ A UEBERHOLZ P
Citation
J. Viehoff et al., IMPROVING STOCHASTIC ESTIMATOR TECHNIQUES FOR DISCONNECTED DIAGRAMS, Nuclear physics. B, Proceedings supplement, 63, 1998, pp. 269-271
Citations number
9
Categorie Soggetti
Physics, Particles & Fields
Journal title
Nuclear physics. B, Proceedings supplement → ACNP
ISSN journal
09205632
Volume
63
Year of publication
1998
Pages
269 - 271
Database
ISI
SICI code
0920-5632(1998)63:<269:ISETFD>2.0.ZU;2-3
Abstract
Disconnected diagrams are expected to be sensitive to the inclusion of dynamical fermions. We present a feasibility study for the observatio n of such effects on the nucleonic matrix elements of the axial vector current, using SESAM full QCD vacuum configurations with Wilson fermi ons on 16(3) x 32 lattices, at beta = 5.6. Starting from the standard methods developed by the Kentucky and Tsukuba groups, we investigate t he improvement from various refinements thereof.