Renormalization of self-consistent Schwinger-Dyson equations at finite temperature

Details Renormalization of self-consistent Schwinger-Dyson equations at finite temperature Renormalization of self-consistent Schwinger-Dyson equations at finite temperature

2002-02-27

arxiv.org/abs/hep-ph/0202263v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

Contribution to the proceedings of the International Workshop XXX on Gross Properties of Nuclei and Nuclear Excitations - Ultr

Scientific paper

We show that Dyson resummation schemes based on Baym's $\Phi$-derivable
approximations can be renormalized with counter term structures solely defined
on the vacuum level. First applications to the self-consistent solution of the
sunset self-energy in $\phi^4$-theory are presented.

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