Selfconsistent calculations of hadrons at finite temperature
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A set of selfconsistent Schwinger-Dyson equations for the Walecka model is derived within the framework of the Cornwall-Jackiw-Tomboulis formalism. In the Hartree approximation these equations are solved by propagators with T- and μ-dependent masses. The results are compared to tree-level calculations. The difference is most pronounced for the mass of the scalar meson.
KeywordsLagrangian field theory effective potential finite temperature
PACS11.10.Wx 12.38.Lg 12.40.Yx
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