Finite Density Fat QCD

Details Finite Density Fat QCD Finite Density Fat QCD

1999-03-01

arxiv.org/abs/hep-lat/9903004v1

Phys.Rev.D61:111501,2000

Physics

High Energy Physics

High Energy Physics - Lattice

14 pages, 10 figures

Scientific paper

10.1103/PhysRevD.61.111501

Lattice formulation of Finite Baryon Density QCD is problematic from computer simulation point of view; it is well known that for light quark masses the reconstructed partition function fails to be positive in a wide region of parameter space. For large bare quark masses, instead, it is possible to obtain more sensible results; problems are still present but restricted to a small region. We present evidence for a saturation transition independent from the gauge coupling $\beta$ and for a transition line that, starting from the temperature critical point at $\mu=0$, moves towards smaller $\beta$ with increasing $\mu$ as expected from simplified phenomenological arguments.

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