WKB corrections to the energy splitting in double well potentials

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By using the WKB quantization we deduce an analytical formula for the energy splitting in a double--well potential which is the usual Landau formula with additional quantum corrections. Then we analyze the accuracy of our formula for the double square well potential, the inverted harmonic oscillator and the quartic potential.
14 pages, 5 figures, 1 table

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Chaotic Dynamics, Exactly Solvable and Integrable Systems

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http://salesiana.dossiersoluciones.com/handle/123456789/79768

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nlin/0003062
 http://arxiv.org/abs/nlin/0003062
 Nonlinear Phenomena in Complex Systems (Minsk) 2 (1999) 49

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arXiv