Finite temperature gluon self-energy in a class of temporal gauges

Details Finite temperature gluon self-energy in a class of temporal gauges Finite temperature gluon self-energy in a class of temporal gauges

1999-10-04

arxiv.org/abs/hep-th/9910027v2

Phys.Rev. D61 (2000) 125014

Physics

High Energy Physics

High Energy Physics - Theory

9 pages, 3 figures (Revised version to be published in Phys. Rev. D)

Scientific paper

10.1103/PhysRevD.61.125014

The approach which relates thermal Green functions to forward scattering amplitudes of on-shell thermal particles is applied to the calculation of the gluon self-energy, in a class of temporal gauges. We show to all orders that, unlike the case of covariant gauges, the exact self-energy of the gluon is transverse at finite temperature. The leading T^2 and the sub-leading ln(T) contributions are obtained for temperatures T high compared with the external momentum. The logarithmic contributions have the same structure as the ultraviolet pole terms which occur at zero temperature.

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