Generalized concurrence and limits of separability for two qutrits

Details Generalized concurrence and limits of separability for two qutrits Generalized concurrence and limits of separability for two qutrits

2005-07-22

arxiv.org/abs/quant-ph/0507223v1

Physics

Quantum Physics

6 pages, 2 figures

Scientific paper

We present an extension of the Wootters concurrence for the case of two qutrits in mixed states. The reduction of our extension to the case of two levels shows complete agreement with Wootters concurrence for two qubits. As an explicit example, we compute the concurrence for a family of symmetric states and we obtain the bounds on the limit for separability. Our results are compared with those of the negativity.

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