Study of the O(N) linear \(\sigma\) model at finite temperature using the 2PPI expansion

DOI10.1007/S100520100795zbMath1099.81517arXivhep-th/0009241OpenAlexW1972014278MaRDI QIDQ5954956

Henri Verschelde, J. De Pessemier

Publication date: 6 February 2002

Published in: The European Physical Journal C. Particles and Fields (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/hep-th/0009241

zbMATH Keywords

renormalizationeffective potentialGoldstone theorem

Mathematics Subject Classification ID

Model quantum field theories (81T10) Feynman diagrams (81T18)

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