Renormalization of self-consistent Schwinger-Dyson equations at finite temperature
H. van Hees, J. Knoll
Abstract
We show that Dyson resummation schemes based on Baym's Φ-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 ϕ4-theory are presented.
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