Entanglement witnesses generated by positive maps

Entanglement witnesses generated by positive maps Entanglement witnesses are non-positive Hermitian operators which can detect whether a quantum state is entangled. Positive maps based on one and two given quantum states are constructed, and entanglement witnesses are generated by composing the positive maps with affine maps. An entanglement witness example is given at the end. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Entanglement witnesses generated by positive maps

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Publisher
Springer US
Copyright
Copyright © 2014 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/s11128-014-0852-5
Publisher site
See Article on Publisher Site

References

  • Enhanced quantum searching via entanglement and partial diffusion
    Younes, A; Rowe, J; Miller, J
  • An implicit Lyapunov control for finite-dimensional closed quantum systems
    Zhao, SW; Lin, H; Sun, JT; Xue, ZG

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