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Open Quantum Systems Decoherence Entanglement Theory Quantum Correlations

An Ideal Channel of Long Distance Entanglement in Spin Systems

arXiv
Authors: Xiao-Qiang Xi, T. Zhang, R. H. Yue, X. C. Xie, W. M. Liu

Year

2007

Paper ID

49258

Status

Preprint

Abstract Read

~2 min

Abstract Words

117

Citations

N/A

Abstract

We propose a scheme for using spin chain to realize an ideal channel of long distance entanglement. The results show that there has different entanglement in different Hilbert subspace, the anisotropic parameter Δ will frustrate the entanglement and the magnetic field affect the entanglement through changing the ground state, the boundary entanglement C1N has the simplest expression in the simplest subspace and it only depend on the first item of the ground state, that item can be increased when a local magnetic field is introduced. Our propose can be handled easily because it only needs a uniform XX open chain initialized in the simplest Hilbert subspace and a bulk magnetic field that absent for the boundary qubits.

Why This Paper Matters

  • This paper contributes to the Entanglement Theory & Quantum Correlations research area in the Quantum Articles archive.
  • It adds a 2007 reference point for readers tracking recent quantum research.
  • We propose a scheme for using spin chain to realize an ideal channel of long distance entanglement.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:0708.3483 [2] arXiv https://arxiv.org/abs/0708.3483 [3] Publisher https://arxiv.org/abs/0708.3483

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