Constraining the effective action by a method of external sources

DOI10.1016/j.nuclphysb.2016.02.022zbMath1334.81062arXiv1509.07847OpenAlexW2234834719MaRDI QIDQ273026

Björn Garbrecht, Peter Millington

Publication date: 21 April 2016

Published in: Nuclear Physics. B (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1509.07847

Mathematics Subject Classification ID

Unified quantum theories (81V22) Model quantum field theories (81T10) Perturbative methods of renormalization applied to problems in quantum field theory (81T15) Path integrals in quantum mechanics (81S40) Symmetry breaking in quantum theory (81R40) Phase transitions (general) in equilibrium statistical mechanics (82B26) Nonperturbative methods of renormalization applied to problems in quantum field theory (81T16)

Related Items (11)

Exact RG invariance and symmetry improved 2PI effective potential ⋮ Complete normal ordering 1: Foundations ⋮ Convexity, gauge-dependence and tunneling rates ⋮ Convexity at finite temperature and non-extensive thermodynamics ⋮ Visualising quantum effective action calculations in zero dimensions ⋮ Semiclassical approach to heterogeneous vacuum decay ⋮ Loss of solution in the symmetry improved {\(\Phi\)}-derivable expansion scheme ⋮ General Markovian equation for scalar fields in a slowly evolving background ⋮ Dissipation of oscillating scalar backgrounds in an FLRW universe ⋮ Functional methods for false-vacuum decay in real time ⋮ Benchmarking regulator-sourced 2PI and average 1PI flow equations in zero dimensions

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