Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2004-06-10
Acta Phys.Hung. A22 (2005) 355-362
Physics
High Energy Physics
High Energy Physics - Phenomenology
8 pages, 2 figures. To be published in Proc.of Budapest'04 Workshop on Hot and Dense Matter in Relativistic Heavy Ion Physics,
Scientific paper
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 N_f approximation. The
location of the tricritical point is analytically determined. A mean field
potential is constructed from which critical exponents can be obtained.
Jakovac Antal
Patkos Andras
Sz'epfalusy P'eter
Szep Zs.
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