The mean energy for the anharmonic oscillator in the strong-coupling regime

N.F. Svaiter

Physica A: Statistical Mechanics and its Applications, 2006, vol. 368, issue 1, 111-118

Abstract: We consider a single anharmonic oscillator with frequency ω and coupling constant λ, respectively, in the strong-coupling regime. We are assuming that the system is in thermal equilibrium with a reservoir at temperature β-1. Using the strong-coupling perturbative expansion, we obtain the mean energy for the oscillator in the regime λ⪢ω, up to order 1/λ.

Keywords: Anharmonic oscillator; Strong-coupling; Mean energy (search for similar items in EconPapers)
Date: 2006
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:368:y:2006:i:1:p:111-118

DOI: 10.1016/j.physa.2005.12.067

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