Abstract
It is proposed to use the pinch technique to obtain the gauge-independent thermal β function β T in a hot Yang-Mills gas. Calculations of β T are shown detail at one-loop level in two different gauges, (i) the background field method with an arbitrary gauge parameter and (ii) the Coulomb gauge. When the pinch contributions to the gluon self-energy are included, the same result is derived for β T in both cases.
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