Decay of nonlocality due to adiabatic and quantum noise in the solid state

Giuseppe Compagno, Bruno Bellomo, Rosario Lo Franco, D'Arrigo, D'Arrigo, Paladino, Falci

Risultato della ricerca: Articlepeer review

2 Citazioni (Scopus)

Abstract

We study the decay of quantum nonlocality, identified by the violation of the Clauser-Horne-Shimony-Holt (CHSH) Bell inequality, for two noninteracting Josephson qubits subject to independent baths with broadband spectra typical of solid state nanodevices. The bath noise can be separated in an adiabatic (low-frequency) and in a quantum (high-frequency) part. We point out the qualitative different effects on quantum nonlocal correlations induced by adiabatic and quantum noise. A quantitative analysis is performed for typical noise figures in Josephson systems. Finally we compare, for this system, the dynamics of nonlocal correlations and of entanglement.
Lingua originaleEnglish
pagine (da-a)63-71
Numero di pagine9
RivistaInternational Journal of Quantum Information
Volume09
Stato di pubblicazionePublished - 2011

All Science Journal Classification (ASJC) codes

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