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High temperature ln(T) contributions in thermal field theory

F. T. Brandt and J. Frenkel

  • Instituto de Física, Universidade de São Paulo, São Paulo, 05389-970 São Paulo, Brazil

Phys. Rev. D 55, 7808 – Published 15 June, 1997

DOI: https://doi.org/10.1103/PhysRevD.55.7808

Abstract

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.

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