Variational perturbation theory: A powerful method for deriving strong-coupling expansions

zbMATH Open1004.81028MaRDI QIDQ2754484

Wolfhard Janke

Publication date: 27 February 2002

zbMATH Keywords

Coulomb systems in three dimensionscoupling strength of anharmonic termsDuru-Kleinert path-integral solutionone-dimensional anharmonic oscillatoroscillator systems in four dimensions

Mathematics Subject Classification ID

Strong interaction, including quantum chromodynamics (81V05) Perturbative methods of renormalization applied to problems in quantum field theory (81T15)

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