Modeling the metastable dynamics of correlated structures

Metastable quantum dynamics of an asymmetric triangular cluster that is coupled to a reservoir is investigated. The dynamics is governed by bath-mediated transitions, which in part require a thermal activation process. The decay rate is controlled by tuning the excitation spectrum of the frustrated...

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Published in:Scientific reports 2015-01, Vol.5 (1), p.8005-8005, Article 8005
Main Authors: Shakirov, Alexey M, Tsibulsky, Sergey V, Antipov, Andrey E, Shchadilova, Yulia E, Rubtsov, Alexey N
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Helium
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description Metastable quantum dynamics of an asymmetric triangular cluster that is coupled to a reservoir is investigated. The dynamics is governed by bath-mediated transitions, which in part require a thermal activation process. The decay rate is controlled by tuning the excitation spectrum of the frustrated cluster. We use the master equation approach and construct transition operators in terms of many-body states. We analyze dynamics of observables and reveal metastability of an excited state and of a magnetically polarized ground state.
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subjects Helium
title Modeling the metastable dynamics of correlated structures
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