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Quantum
Information and Computation
ISSN: 1533-7146
published since 2001
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Vol.2 No.3, April 2002 |
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Purification
of entangled coherent states
(pp208-221)
H. Jeong and M.S. Kim
doi:
https://doi.org/10.26421/QIC2.3-4
Abstracts:
We suggest an entanglement purification scheme for mixed
entangled coherent states using 50-50 beam splitters and photodetectors.
This scheme is directly applicable for mixed entangled coherent states
of the Werner type, and can be useful for general mixed states using
additional nonlinear interactions. We apply our scheme to entangled
coherent states decohered in a vacuum environment and find the decay
time until which they can be purified.
Key words:
purification, entanglement, entangled coherent state, quantum
information |
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