Density profiles of small Dirac operator eigenvalues for two color QCD at nonzero chemical potential compared to matrix models

Details Density profiles of small Dirac operator eigenvalues for two color QCD at nonzero chemical potential compared to matrix models Density profiles of small Dirac operator eigenvalues for two color QCD at nonzero chemical potential compared to matrix models

2004-09-12

arxiv.org/abs/hep-lat/0409045v1

Nucl.Phys.Proc.Suppl.140:568-570,2005

Physics

High Energy Physics

High Energy Physics - Lattice

Lattice2004(non-zero), 3 pages, 4 figures

Scientific paper

10.1016/j.nuclphysbps.2004.11.30

We investigate the eigenvalue spectrum of the staggered Dirac matrix in two color QCD at finite chemical potential. The profiles of complex eigenvalues close to the origin are compared to a complex generalization of the chiral Gaussian Symplectic Ensemble, confirming its predictions for weak and strong non-Hermiticity. They differ from the QCD symmetry class with three colors by a level repulsion from both the real and imaginary axis.

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