Phys. Rev. A 71, 044302 (2005) [4 pages]Entanglement concentration for unknown atomic entangled states via entanglement swappingReceived 24 November 2004; published 19 April 2005 An entanglement concentration scheme for unknown atomic entanglement states is proposed via entanglement swapping in cavity QED. Because the interaction used here is a large-detuned one between two driven atoms and a quantized cavity mode, the effects of the cavity decay and thermal field have been eliminated. These advantages can warrant the experimental feasibility of the current scheme. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.71.044302
DOI:
10.1103/PhysRevA.71.044302
PACS:
03.67.Mn, 03.67.Hk, 03.67.Pp
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