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The critical O(N)σ-model at dimension 2

✍ Scribed by K. Lang; W. Rühl


Book ID
112565196
Publisher
Springer
Year
1994
Tongue
English
Weight
596 KB
Volume
63
Category
Article
ISSN
0170-9739

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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