Creating quantum correlations through local non-unitary memoryless channels

Francesco Ciccarello, Francesco Ciccarello, Vittorio Giovannetti

Risultato della ricerca: Articlepeer review

89 Citazioni (Scopus)


We show that two qubits, initially in a fully classical state, can develop significant quantum correlations asmeasured by the quantum discord (QD) under the action of a local memoryless noise (specifically we considerthe case of a Markovian amplitude-damping channel). This is analytically proven after deriving in a compactform the QD for the class of separable states involved in such a process.We provide a picture in the Bloch spherethat unambiguously highlights the physical mechanism behind the effect regardless of the specific measure ofquantum correlations adopted.
Lingua originaleEnglish
pagine (da-a)010102-1-010102-5
Numero di pagine5
Stato di pubblicazionePublished - 2012

All Science Journal Classification (ASJC) codes

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