Probing the entanglement distillability responses to the Unruh effect and prepared states

Probing the entanglement distillability responses to the Unruh effect and prepared states How the Unruh–Hawking effect and prepared states influence the entanglement distillability of a free Dirac field is investigated by using the Werner and Horodecki states. It is found that Werner and Horodecki states will be converted from distillable into the separate in the noninertial frame. The parameter $$\alpha $$ α of the generic entangled states has a different effect on Werner-like and Horodecki-like states. For the Werner-like states, although the parameter $$\alpha $$ α influences the entanglement, it does not change the range of the parameter $$F$$ F where the entanglement distillability of the Werner-like states is possible. For the Horodecki-like states, the parameter $$\alpha $$ α not only influences the entanglement but also changes the range of the parameter $$P$$ P where the entanglement distillability of Horodecki-like states can be achieved. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Probing the entanglement distillability responses to the Unruh effect and prepared states

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Publisher
Springer Journals
Copyright
Copyright © 2015 by Springer Science+Business Media New York
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/s11128-015-0936-x
Publisher site
See Article on Publisher Site

Abstract

How the Unruh–Hawking effect and prepared states influence the entanglement distillability of a free Dirac field is investigated by using the Werner and Horodecki states. It is found that Werner and Horodecki states will be converted from distillable into the separate in the noninertial frame. The parameter $$\alpha $$ α of the generic entangled states has a different effect on Werner-like and Horodecki-like states. For the Werner-like states, although the parameter $$\alpha $$ α influences the entanglement, it does not change the range of the parameter $$F$$ F where the entanglement distillability of the Werner-like states is possible. For the Horodecki-like states, the parameter $$\alpha $$ α not only influences the entanglement but also changes the range of the parameter $$P$$ P where the entanglement distillability of Horodecki-like states can be achieved.

Journal

Quantum Information ProcessingSpringer Journals

Published: Feb 3, 2015

References

  • Entanglement detection and distillation for arbitrary bipartite systems
    Zhao, M; Zhao, TG; Li, XQ; Fei, SM
  • Quantum discord and measurement-induced disturbance in the background of dilaton black holes
    Wang, JC; Jing, JL; Fan, H
  • Negativity as an estimator of entanglement dimension
    Eltschka, C; Siewert, J
  • Two-qubit mixed states more entangled than pure states: comparison of the relative entropy of entanglement for a given nonlocality
    Horst, B; Bartkiewicz, K; Miranowicz, A
  • Entanglement estimation from Bell inequality violation
    Bartkiexicz, K; Horst, B; Lemr, K; Miranowicz, A

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