Spectra of massive QCD Dirac Operators from Random Matrix Theory: all three chiral symmetry breaking patterns

Abstract

The microscopic spectral eigenvalue correlations of QCD Dirac operators in the presence of dynamical fermions are calculated within the framework of Random Matrix Theory (RMT). Our approach treats the low--energy correlation functions of all three chiral symmetry breaking patterns (labeled by the Dyson index $\beta =1,2$ and 4) on the same footing, offering a unifying description of massive QCD Dirac spectra. RMT universality is explicitly proven for all three symmetry classes and the results are compared to the available lattice data for $\beta =4$.

Comments: LaTeX, 4 pages, 3 figures, Lattice 2000 (Gravity and Matrix Models), typos corrected