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Type: Artigo de periódico
Title: Internal Decoherence Of A Gaussian Wave Packet In A Harmonic Potential
Author: Cidrim A.
Dos Santos F.E.A.
Caldeira A.O.
Abstract: We have studied the quantum dissipative problem of a Gaussian wave packet under the influence of a harmonic potential. A phenomenological approach to dissipation is adopted in the light of the well-known model in which the environment is composed of a bath of noninteracting harmonic oscillators. As one of the effects of the coupling to the bath is the evolution of an initially pure wave packet into a statistical mixture, we estimate the characteristic time elapsed for this to occur for different regimes of temperature, damping, and also different initial states.
Editor: American Physical Society
Rights: aberto
Identifier DOI: 10.1103/PhysRevA.90.052102
Date Issue: 2014
Appears in Collections:Unicamp - Artigos e Outros Documentos

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