Finite-size effect in lattice QCD hadron spectroscopy
Open Access
- 10 February 1992
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 68 (6), 761-764
- https://doi.org/10.1103/physrevlett.68.761
Abstract
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 , , and for =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 spatial lattice at this β still suffer from a significant finite-lattice effect at least for =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.
Keywords
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