The Aoki phase for N_f=2 Wilson fermions revisited

Details The Aoki phase for N_f=2 Wilson fermions revisited The Aoki phase for N_f=2 Wilson fermions revisited

2003-09-12

arxiv.org/abs/hep-lat/0309059v1

Nucl.Phys.Proc.Suppl. 129 (2004) 898-900

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages LaTex, 5 figures. Parallel talk at Lattice2003(Theory)

Scientific paper

10.1016/S0920-5632(03)02747-6

We report on a numerical reinvestigation of the Aoki phase in full lattice
QCD with two flavors of unimproved Wilson fermions. For zero temperature the
Aoki phase can be confirmed at inverse coupling $\beta=4.0$ and $\beta=4.3$,
but not at $\beta=4.6$ and $\beta=5.0$. At non-zero temperature the Aoki phase
was found to exist also at $\beta=4.6$.

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