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Finite size scaling of the quark condensate in quenched lattice QCD

Jul, 1999

13 pages

Published in:

Phys.Lett.B 469 (1999) 198-204

e-Print:

hep-lat/9907022 [hep-lat]

DOI:

10.1016/S0370-2693(99)01244-7

Report number:

CERN-TH-99-197,
CPT-99-PE-3856,
FTUV-99-49,
IFIC-99-51

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Abstract:

We confront the finite volume and small quark mass behaviour of the scalar condensate, determined numerically in quenched lattice QCD using Neuberger fermions, with predictions of quenched chiral perturbation theory. We find that quenched chiral perturbation theory describes the numerical data well, allowing us to extract the infinite volume, chiral limit scalar condensate, up to a multiplicative renormalization constant.

Note:

13 pages, 1 figure Report-no: CERN/TH-99-197

lattice field theory
gauge field theory: SU(3)
approximation: quenching
quark: condensation
scaling: finite size
quark: mass
torus
perturbation theory: chiral
renormalization
numerical calculations: Monte Carlo

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Figures(0)

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