Reliability of the optimized perturbation theory in the 0-dimensional \(O(N)\) scalar field model

DOI10.1016/J.PHYSA.2016.07.067zbMath1400.81151arXiv1604.00537OpenAlexW2338254577MaRDI QIDQ1620043

Dérick S. Rosa, Rudnei O. Ramos, Ricardo L. S. Farias

Publication date: 13 November 2018

Published in: Physica A (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1604.00537

zbMATH Keywords

\(1 / N\)-expansion0-dimensional \(O(N)\) scalar field modeloptimized perturbation theory

Mathematics Subject Classification ID

Perturbative methods of renormalization applied to problems in quantum field theory (81T15)

Cites Work

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• Quantum field theory in the large \(N\) limit: a review
• Self-similar structures and fractal transforms in approximation theory
• Resummation in hot field theories
• The zero-dimensionalO(N) vector model as a benchmark for perturbation theory, the large-Nexpansion and the functional renormalization group

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