QCD Pressure at Two Loops in the Temporal Gauge

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We apply the method of zeta functions, together with the nμ*-prescription for the temporal gauge, to evaluate the thermodynamic pressure in QCD at finite temperature T. Working in the imaginary-time formalism and employing a special version of the unified-gauge prescription, we show that the pure-gauge contribution to the pressure at two loops is given by P₂ gauge = -(g²/144)NcNgT⁴, where Nc and Ng denote the number of colours and gluons, respectively. This result agrees with the value in the Feynman gauge.