Entanglement detection in Josephson nanocircuits

We describe a possible experimental scheme to generate and detect entanglement between charge states in superconducting nanocircuits, discriminating such entanglement from classical correlations. The case of maximally entangled singlet and GHZ states of two and three coupled Josephson junctions is d...

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Bibliographic Details
Published in:Journal of modern optics 2002-07, Vol.49 (8), p.1389-1397
Main Authors: Plastina, Francesco, Fazio, Rosario, Palma, G. Massimo
Format: Article
Language:English
Subjects:
Classical and quantum physics: mechanics and fields
Exact sciences and technology
Foundations, theory of measurement, miscellaneous theories (including aharonov-bohm effect, bell inequalities, berry's phase)
Physics
Quantum mechanics
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Summary:We describe a possible experimental scheme to generate and detect entanglement between charge states in superconducting nanocircuits, discriminating such entanglement from classical correlations. The case of maximally entangled singlet and GHZ states of two and three coupled Josephson junctions is discussed as an example.
ISSN:0950-0340
1362-3044
DOI:10.1080/09500340110107180