Separability and entanglement in 2x3xN composite quantum systems

S. M. Fei; X. H. Gao; X. H. Wang; Z. X. Wang; K. Wu

doi:10.1103/PhysRevA.68.022315

Separability and entanglement in 2x3xN composite quantum systems

Quantum Physics 2009-11-10 v1

Authors: S. M. Fei , X. H. Gao , X. H. Wang , Z. X. Wang , K. Wu

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Abstract

The separability and entanglement of quantum mixed states in $\Cb^2 \otimes \Cb^3 \otimes \Cb^N$ composite quantum systems are investigated. It is shown that all quantum states $\rho$ with positive partial transposes and rank $r(\rho)\leq N$ are separable.

Keywords

quantum entanglement quantum correlations quantum state space

Cite

@article{arxiv.quant-ph/0308159,
  title  = {Separability and entanglement in 2x3xN composite quantum systems},
  author = {S. M. Fei and X. H. Gao and X. H. Wang and Z. X. Wang and K. Wu},
  journal= {arXiv preprint arXiv:quant-ph/0308159},
  year   = {2009}
}

Comments

Latex, 15 pages

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