On the Phase Diagram of QCD with Small Isospin Chemical Potential

Details On the Phase Diagram of QCD with Small Isospin Chemical Potential On the Phase Diagram of QCD with Small Isospin Chemical Potential

2009-08-12

arxiv.org/abs/0908.1642v1

Phys.Lett.B683:235-239,2010

Physics

High Energy Physics

High Energy Physics - Lattice

Scientific paper

10.1016/j.physletb.2009.11.060

The regime of small isospin chemical potential in QCD is investigated. Using the phase quenched partition function in the $\epsilon$-regime an expression for the chiral condensate is given, which is studied in the temperature isospin chemical potential plane. Lines of constant values of the condensate are shown and it is estimated how the critical temperature varies as a function of the isospin chemical potential. Finally, the dependency of the fermion sign problem on the chemical potential and temperature is examined.

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