# Quantum correlation evolution of GHZ and $$W$$ W states under noisy channels using ameliorated measurement-induced disturbance

Quantum correlation evolution of GHZ and $$W$$ W states under noisy channels using... We study quantum correlation of Greenberger–Horne–Zeilinger (GHZ) and W states under various noisy channels using measurement-induced disturbance approach and its optimized version. Although these inequivalent maximal entangled states represent the same quantum correlation in the absence of noise, it is shown that the W state is more robust than the GHZ state through most noisy channels. Also, using measurement-induced disturbance measure, we obtain the analytical relations for the time evolution of quantum correlations in terms of the noisy parameter $$\kappa$$ κ and remove its overestimating quantum correlations upon implementing the ameliorated measurement-induced disturbance. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

# Quantum correlation evolution of GHZ and $$W$$ W states under noisy channels using ameliorated measurement-induced disturbance

, Volume 14 (1) – Oct 11, 2014
17 pages

/lp/springer_journal/quantum-correlation-evolution-of-ghz-and-w-w-states-under-noisy-eItDzyukA0
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/s11128-014-0846-3
Publisher site
See Article on Publisher Site

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