Matrix realignment and partial transpose approach to entangling power of quantum evolutions

Details Matrix realignment and partial transpose approach to entangling power of quantum evolutions Matrix realignment and partial transpose approach to entangling power of quantum evolutions

2007-02-12

arxiv.org/abs/quant-ph/0702103v1

Phys. Rev. A 75, 014304 (2007)

Physics

Quantum Physics

Four pages and no figures

Scientific paper

10.1103/PhysRevA.75.014304

Based on the matrix realignment and partial transpose, we develop an approach to entangling power and operator entanglement of quantum unitary operators. We demonstrate efficiency of the approach by studying several unitary operators on qudits, and indicate that these two matrix rearrangements are not only powerful for studying separability problem of quantum states, but also useful in studying entangling capabilities of quantum operators.

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