Regular Article - Theoretical Physics
Quasi-particle description of strongly interacting matter: Towards a foundation
Forschungszentrum Rossendorf, PF 510119, 01314, Dresden, Germany
2 Institut für Theoretische Physik, TU Dresden, 01062, Dresden, Germany
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Published online: 21 October 2006
We confront our quasi-particle model for the equation of state of strongly interacting matter with recent first-principle QCD calculations. In particular, we test its applicability at finite baryon densities by comparing with Taylor expansion coefficients of the pressure for two quark flavours. We outline a chain of approximations starting from the Φ-functional approach to QCD which motivates the quasi-particle picture.
© Springer-Verlag Berlin Heidelberg, 2007