Analytic determination of the T-μ phase diagram of the chiral quark model
Abstract
Using a gap equation for the pion mass a nonperturbative method is given for solving the chiral quark-meson model in the chiral limit at the lowest order in the fermion contributions encountered in a large Nf approximation. The location of the tricritical point is analytically determined. A mean field potential is constructed from which critical exponents can be obtained.
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