Protecting tripartite entanglement in non-Markovian environments via quantum partially collapsing measurements

Protecting tripartite entanglement in non-Markovian environments via quantum partially collapsing... In this paper, the dynamics of tripartite entanglement via $$\pi$$ π -tangle in independent non-Markovian environments is investigated. The results indicate that the $$\pi$$ π -tangle vanishes periodically as decoherence time increases with a damping of its revival amplitude due to the memory of the non-Markovian environments. In addition, we present a scheme to protect entanglement of W state from non-Markovian environments by means of the quantum partially collapsing measurements. It is worth mentioning that our scheme is a successful protection for the tripartite quantum system and the effect is better for the larger measurement strength, while the stronger decoherence suppression induces smaller success probability. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Protecting tripartite entanglement in non-Markovian environments via quantum partially collapsing measurements

, Volume 15 (8) – May 27, 2016
11 pages

/lp/springer_journal/protecting-tripartite-entanglement-in-non-markovian-environments-via-qRT3dR0Z24
Publisher
Springer US
Subject
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
ISSN
1570-0755
eISSN
1573-1332
D.O.I.
10.1007/s11128-016-1342-8
Publisher site
See Article on Publisher Site

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