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Quantum
Information and Computation
ISSN: 1533-7146
published since 2001
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Vol.16 No.11&12 September 2016 |
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Environment-assisted entanglement purification (pp0982-0990)
Liang
Qiu, Zhi Liu, and Xin Wang
doi:
https://doi.org/10.26421/QIC16.11-12-4
Abstracts:
Two qubits in a pure entangled state passing through and
interacting with amplitude damping noises will cause the decay of
entanglement. Entanglement swapping combined with environment
measurement is proposed to purify entanglement of the two-qubit state.
Some initial states can be purified into the maximally entangled ones by
just using the protocol for one time, in contrast to iteratively using
the protocol given in Phys. Rev. A 89, 014303 (2014).
Key words:
Entanglement swapping, Environment measurement, Amplitude
damping noises |
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