Convexity at finite temperature and non-extensive thermodynamics

DOI10.1016/j.nuclphysb.2016.07.030zbMath1345.81074arXiv1603.01540OpenAlexW2323944808MaRDI QIDQ314908

Mohammad Hasan, M. Dambrine

Publication date: 16 September 2016

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

Full work available at URL: https://arxiv.org/abs/1603.01540

Mathematics Subject Classification ID

Model quantum field theories (81T10) Perturbative methods of renormalization applied to problems in quantum field theory (81T15) Feynman diagrams (81T18) Statistical thermodynamics (82B30) Thermal quantum field theory (81T28)

Cites Work

• Constraining the effective action by a method of external sources
• Symmetry-improved CJT effective action
• Effective action for composite operators
• Convexity of the effective potential