Journal
JOURNAL OF MODERN OPTICS
Volume 56, Issue 8, Pages 1022-1028Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/09500340902887666
Keywords
entanglement dynamics; entanglement sudden death; W-like states
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Entanglement dynamics of two atomic W-like states is studied within the framework of a triple Jaynes-Cummings model. It is shown that the two states, though initially being equivalent under simple local operations and thus having the same amounts of pairwise entanglements, undergo qualitatively different evolutions. Namely, one of them may suffer from the so-called entanglement sudden death depending on the parameters, while the other one does not for whatever parameters.
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