Abstract
Thermodynamics of the quark–gluon plasma at finite density is studied in the framework of the Field Correlator Method, where thermodynamical effects of Polyakov loops and color magnetic confinement are taken into account. Having found good agreement with numerical lattice data for zero density, we calculate pressure [Formula: see text], for [Formula: see text] MeV and [Formula: see text] MeV. For the first time, the explicit integral form is found in this region, demonstrating analytic structure in the complex [Formula: see text] plane. The resulting multiple complex branch points are found at the Roberge–Weiss values of [Formula: see text], with [Formula: see text] defined by the values of Polyakov lines and color magnetic confinement.
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More From: International Journal of Modern Physics A
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