Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2007-10-03
Acta Phys.Polon.B38:4123-4138,2007
Physics
High Energy Physics
High Energy Physics - Theory
Invited talk at the workshop "Random Matrix Theory: From fundamental physics to applications", Krakow, 2007
Scientific paper
We discuss the sign problem in QCD at nonzero chemical potential and its relation with chiral symmetry breaking and the spectrum of the Dirac operator using the framework of chiral random matrix theory. We show that the Banks-Casher formula is not valid for theories with a sign problem and has to be replaced by an alternative mechanism that is worked out in detail for QCD in one dimension at nonzero chemical potential.
Splittorff Kim
Verbaarschot Jacobus J. M.
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