Scattering amplitudes at finite temperature

Abstract

We present a simple set of rules for obtaining the imaginary part of a self energy diagram at finite temperature in terms of diagrams that correspond to physical scattering amplitudes.

23 pages in Revtex, with 33 eps-figures

References in corpus (1)

• On the imaginary parts and infrared divergences of two-loop vector boson self-energies in thermal QCD

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