Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
2007-08-07
PoSLAT2007:205,2007
Physics
High Energy Physics
High Energy Physics - Lattice
Contribution to Lattice-2007, non-zero temperature and density; 7 pages, 5 EPS figures, uses PoS.cls
Scientific paper
Recently a formulation of overlap fermions at finite density based on an
analytic continuation of the sign function was proposed. We study this proposal
by analyzing the energy and number densities for free fermions as a function of
the chemical potential and the temperature. Our results show that overlap
fermions with chemical potential give rise to the correct continuum behavior.
Gattringer Christof
Liptak Ludovit
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