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Published on: September 5, 2019
Entanglement Property of Tripartite GHZ State in Different Accelerating Observer Frames
Qian Dong1, Roberto de Jesus León-Montiel2, Guo-Hua Sun1
1Centro de Investigación en Computación, Instituto Politécnico Nacional, UPALM, Mexico City 07738, Mexico.
Abstract:
According to the single-mode approximation applied to two different mo des, each associated with different uniformly accelerating reference frames, we present analytical expression of the Minkowski states for both the ground and first excited states. Applying such an approximation, we study the entanglement property of Bell and Greenberger-Horne-Zeilinger (GHZ) states formed by such states. The corresponding entanglement properties are described by studying negativity and von Neumann entropy. The degree of entanglement will be degraded when the acceleration parameters increase. We find that the greater the number of particles in the entangled system, the more stable the system that is studied by the von Neumann entropy. The present results will be reduced to those in the case of the uniformly accelerating reference frame.
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