Entanglement dynamics of three-qubit states in many-sided noisy channels

Details Entanglement dynamics of three-qubit states in many-sided noisy channels Entanglement dynamics of three-qubit states in many-sided noisy channels

2010-04-22

arxiv.org/abs/1004.3880v2

J. Phys. B: At. Mol. Opt. Phys. 45, 035501 (2012)

Physics

Quantum Physics

18 references (Previous version of this article contains mistakes)

Scientific paper

10.1088/0953-4075/45/3/035501

We study entanglement dynamics of pure three-qubit Greenberger-Horne-Zeilinger-type (GHZ-type) entangled states when one, two or three qubits being subjected to general local noise. Employing a lower bound for three-qubit concurrence as an entanglement measure, we show that for some many-sided noisy channels the entanglement dynamics can be complete described by the evolution of the entangled states in single-sided channels.

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