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

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

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High Energy Physics - Lattice

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http://salesiana.dossiersoluciones.com/handle/123456789/201197

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-lat/0409045
 http://arxiv.org/abs/hep-lat/0409045
 Nucl.Phys.Proc.Suppl.140:568-570,2005
 doi:10.1016/j.nuclphysbps.2004.11.301

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arXiv