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Five-loop ϵ expansion for O(n)×O(m) spin models

✍ Scribed by Pasquale Calabrese; Pietro Parruccini


Book ID
116795527
Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
369 KB
Volume
679
Category
Article
ISSN
0550-3213

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📜 SIMILAR VOLUMES


Variational resummation for ϵ-expansions
✍ Hagen Kleinert 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 163 KB

We develop a method for extracting accurate critical exponents from perturbation expansions of the O n -symmetric nonlinear s-model in D s 2 q e dimensions. This is possible by considering the e-expansions in this model as strong-cou-Ž . Ž . pling expansions of functions of the variable ´' 2 4y D r