Lowest eigenvalues of the Dirac operator for two color QCD at nonzero chemical potential

Details Lowest eigenvalues of the Dirac operator for two color QCD at nonzero chemical potential Lowest eigenvalues of the Dirac operator for two color QCD at nonzero chemical potential

2001-10-11

arxiv.org/abs/hep-lat/0110048v1

Nucl.Phys.Proc.Suppl.106:468-470,2002

Physics

High Energy Physics

High Energy Physics - Lattice

Lattice2001(hightemp), 3 pages, 9 figures

Scientific paper

10.1016/S0920-5632(01)01749-2

We investigate the eigenvalue spectrum of the staggered Dirac matrix in SU(3) and U(1) gauge theory as well as in full QCD with two colors and finite chemical potential. Along the strong-coupling axis up to the phase transition, the low-lying Dirac spectrum of these quantum field theories is well described by random matrix theory and exhibits universal behavior. Related results for gauge theories with minimal coupling are discussed in the chirally symmetric phase and no universality is seen for the microscopic spectral densities.

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