Proposal for direct measurement of concurrence via visibility in a cavity QED system

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An experimental scheme is proposed that allows direct measurement of the concurrence of a two-qubit cavity system. It is based on the cavity-QED technology using atoms as flying qubits and relies on the identity of the two-particle visibility of the atomic probability with the concurrence of the cavity system. The scheme works for any arbitrary pure initial state of the two-qubit cavity system.
Publisher
AMER PHYSICAL SOC
Issue Date
2008-04
Language
English
Article Type
Article
Keywords

ENTANGLED STATES; QUANTUM; COMPLEMENTARITY; SEPARABILITY

Citation

PHYSICAL REVIEW A, v.77

ISSN
1050-2947
DOI
10.1103/PhysRevA.77.040301
URI
http://hdl.handle.net/10203/13789
Appears in Collection
PH-Journal Papers(저널논문)
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