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

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.

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Year of publication:	2006
Authors:	Svaiter, N.F.
Published in:	Physica A: Statistical Mechanics and its Applications. - Elsevier, ISSN 0378-4371. - Vol. 368.2006, 1, p. 111-118
Publisher:	Elsevier
Subject:	Anharmonic oscillator \| Strong-coupling \| Mean energy

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Type of publication:	Article
Source:	RePEc - Research Papers in Economics

Persistent link: https://www.econbiz.de/10011059273