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T: Fachverband Teilchenphysik

T 19: Gittereichtheorie

T 19.7: Vortrag

Montag, 3. März 2008, 18:15–18:30, KGI-HS 1023

The spectrum of the Dirac-Wilson operator in N_f=1 QCD — •Jair Wuilloud — Institut für theoretische Physik (WWU); Wilhelm-Klemm Str., 9; 48149 Münster

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 Dirac-Wilson operator becomes negative and its sign has to be computed.

We discuss techniques for evaluating the spectrum of the Dirac-Wilson operator and the sign of its determinant.