Hadron masses and quark condensate from overlap fermions

K. F. Liu; S. J. Dong; F. X. Lee; J. B. Zhang

doi:10.1016/s0920-5632(00)91760-2

Hadron masses and quark condensate from overlap fermions

K. F. Liu
, S. J. Dong
, F. X. Lee
, J. B. Zhang

Physics And Astronomy

Producción científica: Article › revisión exhaustiva

6 Citas (Scopus)

Resumen

We present results on hadron masses and quark condensate from Neuberger's overlap fermion. The scaling and chiral properties and finite volume effects from this new Dirac operator are studied. We find that the generalized Gell-Mann-Oakes-Renner relation is well satisfied down to the physical u and d quark mass range. We find that in the range of the lattice spacing we consider, the π and ρ masses at a fixed ℳπ/ℳρ ratio have weak O(a²) dependence.

Idioma original	English
Páginas (desde-hasta)	636-638
Número de páginas	3
Publicación	Nuclear Physics B - Proceedings Supplements
Volumen	83-84
N.º	1-3
DOI	https://doi.org/10.1016/s0920-5632(00)91760-2
Estado	Published - mar 2000

Financiación

This work is partially supported by DOE Grants DE-FG05-84ER40154 and DE-FG02-95ER40907. We thank R. Edwards for sharing his experience in implementing the sign function solver. We also thank H. Neuberger for stimulating discussions.

Financiadores	Número del financiador
U.S. Department of Energy	DE-FG05-84ER40154, DE-FG02-95ER40907

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Nuclear and High Energy Physics

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10.1016/s0920-5632(00)91760-2

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AU - Dong, S. J.

AU - Lee, F. X.

AU - Zhang, J. B.

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N2 - We present results on hadron masses and quark condensate from Neuberger's overlap fermion. The scaling and chiral properties and finite volume effects from this new Dirac operator are studied. We find that the generalized Gell-Mann-Oakes-Renner relation is well satisfied down to the physical u and d quark mass range. We find that in the range of the lattice spacing we consider, the π and ρ masses at a fixed ℳπ/ℳρ ratio have weak O(a2) dependence.

AB - We present results on hadron masses and quark condensate from Neuberger's overlap fermion. The scaling and chiral properties and finite volume effects from this new Dirac operator are studied. We find that the generalized Gell-Mann-Oakes-Renner relation is well satisfied down to the physical u and d quark mass range. We find that in the range of the lattice spacing we consider, the π and ρ masses at a fixed ℳπ/ℳρ ratio have weak O(a2) dependence.

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ER -

Hadron masses and quark condensate from overlap fermions

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