Multi-state quantum dissipative dynamics in sub-ohmic environment: The strong coupling regime

Bernardo Spagnolo, Luca Magazzu', Angelo Carollo, Davide Valenti, Luca Magazzù, Bernardo Spagnolo

Risultato della ricerca: Articlepeer review

20 Citazioni (Scopus)

Abstract

We study the dissipative quantum dynamics and the asymptotic behavior of a particle in a bistable potential interacting with a sub-Ohmic broadband environment. The reduced dynamics, in the intermediate to strong dissipation regime, is obtained beyond the two-level system approximation by using a real-time path integral approach. We find a crossover dynamic regime with damped intra-well oscillations and incoherent tunneling and a completely incoherent regime at strong damping. Moreover, a nonmonotonic behavior of the left/right well population difference is found as a function of the damping strength.
Lingua originaleEnglish
pagine (da-a)2341-2354
Numero di pagine14
RivistaEntropy
Volume17
Stato di pubblicazionePublished - 2015

All Science Journal Classification (ASJC) codes

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