Three-state Landau-Zener model in the presence of dissipation

Benedetto Militello, Benedetto Militello

Risultato della ricerca: Articlepeer review

6 Citazioni (Scopus)

Abstract

A population transfer based on adiabatic evolutions in a three-state system undergoing an avoided crossing is considered. The efficiency of the process is analyzed in connection with the relevant parameters, bringing to light an important role of the phases of the coupling constants. The role of dissipation is also taken into account, focusing on external decays that can be described by effective non-Hermitian Hamiltonians. Though the population transfer turns out to be quite sensitive to the decay processes, for very large decay rates the occurrence of a Zeno phenomenon allows for restoring a very high efficiency.
Lingua originaleEnglish
pagine (da-a)033415-1-033415-7
Numero di pagine7
RivistaPhysical Review A
Volume99
Stato di pubblicazionePublished - 2019

All Science Journal Classification (ASJC) codes

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