Renormalization group optimized perturbation theory at finite temperatures

A recently developed variant of the so-called optimized perturbation theory (OPT), making it perturbatively consistent with renormalization group (RG) properties, RGOPT, was shown to drastically improve its convergence for zero temperature theories. Here the RGOPT adapted to finite temperature is il...

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Veröffentlicht in:	Physical review. D 2015-12, Vol.92 (11), Article 116008
Hauptverfasser:	Kneur, Jean-Loïc, Pinto, Marcus B.
Format:	Artikel
Sprache:	eng
Schlagworte:	Convergence Cosmology Gravitation High Energy Physics - Phenomenology Joining Mathematical analysis Perturbation theory Physics Scalars
Online-Zugang:	Volltext
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