Density of States Method at Finite Isospin Density

Details Density of States Method at Finite Isospin Density Density of States Method at Finite Isospin Density

2003-12-23

arxiv.org/abs/hep-lat/0312038v2

Mod.Phys.Lett. A19 (2004) 909-920

Physics

High Energy Physics

High Energy Physics - Lattice

11 pages, 15 figures

Scientific paper

10.1142/S0217732304013805

The density of states method is applied for lattice QCD at a finite isospin density. The advantage of this method is that one can easily obtain results for various values of parameters (quark mass, coupling constant and the number of flavors). We compare results for the chiral condensate and the quark number density with those from the R-algorithm and find that they are in good agreement. By calculating the chiral condensate we obtain information on the phase structure for various quark flavors and isospin chemical potentials. We also show results for the chiral condensate at two different quark masses and at two different isospin densities which are not easily obtainable in the conventional Monte Carlo method.

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