Competition between memory-keeping and memory-erasing decoherence channels

Salvatore Lorenzo, Tony J. G. Apollaro, Carlo Di Franco, Francesco Plastina, Mauro Paternostro

Risultato della ricerca: Articlepeer review

24 Citazioni (Scopus)


We study the competing effects of simultaneous Markovian and non-Markovian decoherence mechanismsacting on a single spin. We show the existence of a threshold in the relative strength of such mechanisms above which the spin dynamics becomes fully Markovian, as revealed by the use of several non-Markovianity mea- sures. We identify a measure-dependent nested structure of such thresholds, hinting at a causality relationship amongst the various non-Markovianity witnesses used in our analysis. Our considerations are then used to ar- gue the unavoidably non-Markovian evolution of a single-electron quantum dot exposed to both intrinsic and Markovian technical noise, the latter of arbitrary strength
Lingua originaleEnglish
pagine (da-a)012310-012310
Numero di pagine1
Stato di pubblicazionePublished - 2014

All Science Journal Classification (ASJC) codes

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