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Phys. Rev. D 55, 7808–7814 (1997)

High temperature ln(T) contributions in thermal field theory

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F. T. Brandt and J. Frenkel
Instituto de Física, Universidade de São Paulo, São Paulo, 05389-970 São Paulo, Brazil

Received 7 January 1997; published in the issue dated 15 June 1997

We calculate, to one-loop order, the ln(T) contributions of three-point functions in the φ3 and Yang-Mills theory at high temperature. We find that these terms are Lorentz invariant and have the same structure as the ultraviolet divergent contributions which occur at zero temperature. A simple argument, valid for all N-point Green functions, is given for this behavior.

© 1997 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.55.7808
DOI:
10.1103/PhysRevD.55.7808
PACS:
11.10.Wx