Jair Wuilloud (Muenster):
One flavour QCD
Abstract:
For QCD with N_{f}=1 flavour, lattice numerical
studies of the phase structure should allow for the investigation of questions like the
definition of the quark mass and a possible symmetry breaking of CP. Around interesting
points in the phase diagram, situations arise where the determinant of the DiracWilson
operator becomes negative and its sign has to be computed. We discuss techniques
for evaluating the spectrum of the DiracWilson operator and the sign of its determinant.
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