Chiral properties of the fixed point action of the Schwinger model
F. Farchioni, C. B. Lang, M. Wohlgenannt
Abstract
We study the spectrum properties for a recently constructed fixed point lattice Dirac operator. We also consider the problem of the extraction of the fermion condensate, both by direct computation, and through the Banks-Casher formula by analyzing the density of eigenvalues of a redefined antihermitean lattice Dirac operator.
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