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Variational perturbation expansion for strong-coupling coefficients of the anharmonic oscillator

As an application of a recently developed variational perturbation theory we find the first 22 terms of the convergent strong-coupling series expansion for the ground state energy of the quartic anharmonic oscillator.

preprint1995arXivOpen access
W. JankeH. Kleinert
chem-phquant-ph
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W. JankeH. Kleinert

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