VERY ACCURATE SUMMATION FOR THE INFINITE COUPLING LIMIT OF THE PERTURBATION-SERIES EXPANSIONS OF ANHARMONIC-OSCILLATORS

WENIGER, EJ and CIZEK, J and VINETTE, F (1991) VERY ACCURATE SUMMATION FOR THE INFINITE COUPLING LIMIT OF THE PERTURBATION-SERIES EXPANSIONS OF ANHARMONIC-OSCILLATORS. PHYSICS LETTERS A, 156 (3-4). pp. 169-174. ISSN 0375-9601,

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Abstract

A new method for the summation of the renormalized perturbation expansions for the quartic, sextic, and octic anharmonic oscillators is proposed. Our method is based on a special nonlinear sequence transformation. Summation results for the infinite coupling limit of the ground state energies are presented and compared with the results obtained by other techniques.

Item Type: Article
Uncontrolled Keywords: LARGE-ORDER; CONVERGENCE ACCELERATORS; RATIONAL-APPROXIMATIONS; BOREL SUMMABILITY;
Depositing User: Dr. Gernot Deinzer
Last Modified: 19 Oct 2022 08:46
URI: https://pred.uni-regensburg.de/id/eprint/54982

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