Tuning non-Markovianity by spin-dynamics control

Salvatore Lorenzo, Salvatore Lorenzo, Francesco Plastina, Mauro Paternostro

Risultato della ricerca: Articlepeer review

27 Citazioni (Scopus)

Abstract

We study the interplay between forgetful and memory-keeping evolution enforced on a two-level system by a multi-spin environment whose elements are coupled to local bosonic baths. Contrarily to the expectation that any non-Markovian effect would be buried by the forgetful mechanism induced by the spin-bath coupling, one can actually induce a full Markovian-to-non-Markovian transition of the two-level system's dynamics, controllable by parameters such as the mismatch between the energy of the two-level system and of the spin environment. For a symmetric coupling, the amount of non-Markovianity surprisingly grows with the number of decoherence channels. DOI: 10.1103/PhysRevA.87.022317
Lingua originaleEnglish
pagine (da-a)022317-022317
Numero di pagine1
RivistaPHYSICAL REVIEW A
Volume87
Stato di pubblicazionePublished - 2013

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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