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HK: Physik der Hadronen und Kerne
HK 39: Theorie VII
HK 39.1: Talk
Wednesday, March 21, 2001, 16:30–16:45, F
Non-critical Properties of the λφ4 Theory from the Thermal Renormalization Group — •Roland Schneider — Technische Universität München
The thermal mass and coupling in λφ4 theory with unbroken and spontaneously broken Z2-symmetry are calculated at finite temperature within the non-perturbative thermal renormalization group (TRG), both for small and large values of the coupling constant. The numerical results are compared with those obtained using perturbation theory and resummation methods.
Work supported in part by BMBF.