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Phase Diagram of the Dirac Spectrum at Nonzero Chemical Potential
J. C. Osborn, K. Splittorff, J. J. M. Verbaarschot
The Dirac spectrum of QCD with dynamical fermions at nonzero chemical potential is characterized by three regions, a region with a constant eigenvalue density, a region where the e…
Chiral Condensate at Nonzero Chemical Potential in the Microscopic Limit of QCD
J. C. Osborn, K. Splittorff, J. J. M. Verbaarschot
The chiral condensate in QCD at zero temperature does not depend on the quark chemical potential (up to one third the nucleon mass), whereas the spectral density of the Dirac opera…
Nonhermitian Supersymmetric Partition Functions: the case of one bosonic flavor
K. Splittorff, J. J. M. Verbaarschot, M. R. Zirnbauer
We discuss the supersymmetric formulation of the nonhermitian random matrix partition function with one bosonic flavor. This partition function is regularized by adding one…