Critical Exponents from Five-Loop Strong-Coupling phi^4-Theory in 4- epsilon Dimensions

Hagen Kleinert; Verena Schulte-Frohlinde

arxiv: cond-mat/9907214 · v1 · submitted 1999-07-15 · ❄️ cond-mat · hep-th

Critical Exponents from Five-Loop Strong-Coupling phi⁴-Theory in 4- epsilon Dimensions

Hagen Kleinert , Verena Schulte-Frohlinde This is my paper

classification ❄️ cond-mat hep-th

keywords criticaldimensionsepsilonexponentsstrong-couplingtheoryaccuracyachieved

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With the help of strong-coupling theory, we calculate the critical exponents of O(N)-symmetric phi^4-theories in 4- epsilon dimensions up to five loops with an accuracy comparable to that achieved by Borel-type resummation methods.

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