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

Akemann G, Bittner E, Lombardo M-P, Markum H, Pullirsch R (2005)
Nucl.Phys.Proc.Suppl. 140: 568-570.

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We investigate the eigenvalue spectrum of the staggered Dirac matrix in twocolor QCD at finite chemical potential. The profiles of complex eigenvaluesclose to the origin are compared to a complex generalization of the chiralGaussian Symplectic Ensemble, confirming its predictions for weak and strongnon-Hermiticity. They differ from the QCD symmetry class with three colors by alevel repulsion from both the real and imaginary axis.
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Akemann G, Bittner E, Lombardo M-P, Markum H, Pullirsch R. Density profiles of small Dirac operator eigenvalues for two color QCD at nonzero chemical potential compared to matrix models. Nucl.Phys.Proc.Suppl. 2005;140:568-570.
Akemann, G., Bittner, E., Lombardo, M. - P., Markum, H., & Pullirsch, R. (2005). Density profiles of small Dirac operator eigenvalues for two color QCD at nonzero chemical potential compared to matrix models. Nucl.Phys.Proc.Suppl., 140, 568-570. doi:10.1016/j.nuclphysbps.2004.11.301
Akemann, G., Bittner, E., Lombardo, M. - P., Markum, H., and Pullirsch, R. (2005). Density profiles of small Dirac operator eigenvalues for two color QCD at nonzero chemical potential compared to matrix models. Nucl.Phys.Proc.Suppl. 140, 568-570.
Akemann, G., et al., 2005. Density profiles of small Dirac operator eigenvalues for two color QCD at nonzero chemical potential compared to matrix models. Nucl.Phys.Proc.Suppl., 140, p 568-570.
G. Akemann, et al., “Density profiles of small Dirac operator eigenvalues for two color QCD at nonzero chemical potential compared to matrix models”, Nucl.Phys.Proc.Suppl., vol. 140, 2005, pp. 568-570.
Akemann, G., Bittner, E., Lombardo, M.-P., Markum, H., Pullirsch, R.: Density profiles of small Dirac operator eigenvalues for two color QCD at nonzero chemical potential compared to matrix models. Nucl.Phys.Proc.Suppl. 140, 568-570 (2005).
Akemann, Gernot, Bittner, Elmar, Lombardo, Maria-Paola, Markum, Harald, and Pullirsch, Rainer. “Density profiles of small Dirac operator eigenvalues for two color QCD at nonzero chemical potential compared to matrix models”. Nucl.Phys.Proc.Suppl. 140 (2005): 568-570.
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arXiv hep-lat/0409045