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arXiv · hep-th/9311145

Optimized Perturbation Methods for the Free Energy of the Anharmonic Oscillator

Kostas Vlachos·Anna Okopinska
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Abstract

Two possibile applications of the optimized expansion for the free energy of the quantum-mechanical anharmonic oscillator are discussed. The first method is for the finite temperature effective potential; the second one, for the classical effective potential. The results of both methods show a quick convergence and agree well with the exact free energy in the whole range of temperatures. Postscript figures are available under request to AO email ROZYNEK@FUW.EDU.PL

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Kostas Vlachos, Anna Okopinska. 1993-11-24. Optimized Perturbation Methods for the Free Energy of the Anharmonic Oscillator. https://doi.org/10.1016/0375-9601(94)90697-1

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