Chiral symmetry breaking from Ginsparg-Wilson fermions
classification
✦ hep-lat
hep-ph
keywords
chiralquenchedagreementbreakingcalculatecondensatedependencesdetermination
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We calculate the large-volume and small-mass dependences of the quark condensate in quenched QCD using Neuberger's operator. We find good agreement with the predictions of quenched chiral perturbation theory, enabling a determination of the chiral lagrangian parameter \Sigma, up to a multiplicative renormalization.
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