2000 character limit reached
QCD at non-zero density and canonical partition functions with Wilson fermions (1009.2197v2)
Published 11 Sep 2010 in hep-lat
Abstract: We present a reduction method for Wilson Dirac fermions with non-zero chemical potential which generates a dimensionally reduced fermion matrix. The size of the reduced fermion matrix is independent of the temporal lattice extent and the dependence on the chemical potential is factored out. As a consequence the reduced matrix allows a simple evaluation of the Wilson fermion determinant for any value of the chemical potential and hence the exact projection to the canonical partition functions.
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