A Renormalization-Group Approach to Finite-Temperature Mass Corrections

Details A Renormalization-Group Approach to Finite-Temperature Mass Corrections A Renormalization-Group Approach to Finite-Temperature Mass Corrections

1994-10-28

arxiv.org/abs/hep-ph/9410403v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

plain TeX, 6 pages plus 1 figure attached, McGill-94/01

Scientific paper

We illustrate how the reorganization of perturbation theory at finite temperature can be economically cast in terms of the Wilson-Polchinski renormalization methods. We take as an example the old saw of the induced thermal mass of a hot scalar field with a quartic coupling, which we compute to second order in the coupling constant. We show that the form of the result can be largely determined by renormalization-group arguments without the explicit evaluation of Feynman graphs.

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