Phys. Rev. D 56, 2453–2456 (1997)Generalized forward scattering amplitudes in QCD at high temperatureReceived 24 March 1997; published in the issue dated 15 August 1997 We extend to a general class of covariant gauges an approach which relates the thermal Green functions to forward scattering amplitudes of thermal particles. A brief discussion of the nontransversality of the thermal gluon polarization tensor is given in this context. This method is then applied to the calculation of the ln (T) contributions associated with general configurations of two- and three-point gluon functions. The results are Lorentz covariant and have the same structure as the ultraviolet divergent contributions which occur at zero temperature. © 1997 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.56.2453
DOI:
10.1103/PhysRevD.56.2453
PACS:
11.10.Wx, 11.15.Bt
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