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Phys. Rev. A 65, 012303 (2001) [7 pages]

Multipartite entangled coherent states

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Xiaoguang Wang1,2 and Barry C. Sanders3
1Institute of Physics and Astronomy, University of Aarhus, Aarhus, DK-8000, Denmark
2Institute for Scientific Interchange (ISI) Foundation, Viale Settimio Severo 65, I-10133 Torino, Italy
3Department of Physics, Macquarie University, Sydney, New South Wales 2109, Australia

Received 3 April 2001; published 5 December 2001

We propose a scheme for generating multipartite entangled coherent states via entanglement swapping, with an example of a physical realization in ion traps. Bipartite entanglement of these multipartite states is quantified by the concurrence. We also compute multipartite entanglement for certain systems. Finally we establish that these results for entanglement can be applied to more general multipartite entangled nonorthogonal states.

© 2001 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.65.012303
DOI:
10.1103/PhysRevA.65.012303
PACS:
03.65.Ud, 03.67.Hk, 03.67.Lx
 
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