Equation of State of Gluon Plasma from Gribov Region
نویسنده
چکیده
We describe the gluon plasma in zeroth order as a gas of free quasi-particles with a temperature-independent dispersion relation of Gribov type, E(k) = k 2 + M 4 k 2 , that results from the restriction of the physical state space to the Gribov region. The effective mass M 2 k controls infrared divergences of finite-temperature perturbation theory. The equation of state of this gas is calculated and compared with numerical lattice data. At high temperature T there are power corrections to the Stefan-Boltzmann law that are of relative order 1/T 3 for pressure and 1/T 4 for energy. c Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike Licence.
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