Matrix rearrangement approach for the entangling power with mixed qudit systems

Details Matrix rearrangement approach for the entangling power with mixed qudit systems Matrix rearrangement approach for the entangling power with mixed qudit systems

2008-03-07

arxiv.org/abs/0803.1032v1

Quantum Information and Computation, Vol. 8, No. 6&7 (2008) 0671-0680

Physics

Quantum Physics

8 pages, 3 figures, will appear in Quantum Infomation & Computation Vol.8 No.6/7 pp0671-0680

Scientific paper

We extend the former matrix rearrangement approach of the entangling power to the general cases, without the requirement of the same dimensions of the subsystems. The entangling power of a unitary operator is completely determined by its realignment and partial transposition. As applications, we calculate the entangling power for the Ising interaction and the isotropic Heisenberg interaction in the mixed qudit system.

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