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Title of Journal: Quantum Inf Process

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Abbravation: Quantum Information Processing

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Springer US

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DOI

10.1002/tie.20051

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ISSN

1573-1332

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Quantum Fisher information for moving threelevel

Authors: S AbdelKhalek
Publish Date: 2013/08/29
Volume: 12, Issue: 12, Pages: 3761-3769
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Abstract

Quantum information technology largely relies on a precious and fragile resource call quantum entanglement which exhibits a highly nontrivial manifestation of the coherent superposition of states of composite quantum systems In this article we discuss the correlation between the quantum entanglement measured by the von Neumann entropy and atomic quantum Fisher information by taking account the case of moving threelevel atom Our results show that there is a monotonic relation between the atomic quantum Fisher information and entanglement in the case of nonmoving atom On the other hand we find that the atomic quantum Fisher information and entanglement exhibit an opposite changement behavior during the time evolution in the presence of atomic motion

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  2. Super quantum discord for general two qubit X states
  3. Non-Markovian entanglement dynamics of two qubits interacting with a common electromagnetic field
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  9. A quantization procedure based on completely positive maps and Markov operators
  10. On conclusive eavesdropping and measures of mutual information in quantum key distribution
  11. The CGMV method for quantum walks
  12. Concurrence in the framework of coherent states
  13. Noncyclic geometric quantum computation and preservation of entanglement for a two-qubit Ising model
  14. Noise and the magic square game
  15. Geometry and dynamics of one-norm geometric quantum discord
  16. Nuclear polarization and entanglement in spin systems
  17. Controllability and Universal Three-qubit Quantum Computation with Trapped Electron States
  18. Quantum relative phase, m -tangle, and multi-local Lorentz-group invariant
  19. Perfect state transfer by means of discrete-time quantum walk on complete bipartite graphs
  20. Dynamics of one-dimensional tight-binding models with arbitrary time-dependent external homogeneous fields
  21. Classical–quantum arbitrarily varying wiretap channel: Ahlswede dichotomy, positivity, resources, super-activation
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