Finite-size effect in lattice QCD hadron spectroscopy | Zendy

M. Fukugita | Zendy; H. Mino | Zendy; M. Okawa | Zendy; A. Ukawa | Zendy

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Finite-size effect in lattice QCD hadron spectroscopy

Author(s) -

M. Fukugita,

H. Mino,

M. Okawa,

A. Ukawa

Publication year - 1992

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.68.761

Subject(s) - physics , hadron , hadron spectroscopy , lattice (music) , lattice qcd , lattice field theory , quark , particle physics , chiral perturbation theory , quantum chromodynamics , acoustics

A hadron spectrum calculation with two light dynamical quark flavors was carried out with the Kogut-Susskind quark action at β=5.7 on lattices of spatial size 83, 123, and 203 for mq=0.01 and 0.02 in lattice units, with emphasis given to a systematic study of the finite-lattice-size effect. It is found that hadron masses on a 163 spatial lattice at this β still suffer from a significant finite-lattice effect at least for mq=0.01, showing the importance of a quantitative control over the finite-size effect in comparing simulation results with the experimental hadron masses even for a fairly large lattice. A comparison is also made to the analytic prediction for the finite-size effect from chiral perturbation theory

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