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arXiv quant-ph/0608086quant-ph
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形成纠缠的双重约束界

Doubly constrained bounds on the entanglement of formation

Animesh Datta, Steven T. Flammia, Anil Shaji, Carlton M. Caves

摘要:

我们推导出的纠缠形成的状态的4xN二分系统使用两个纠缠单调构造的操作分离性标准的界限。同时使用的界限作为约束的纠缠形成。一种是基于Peres正部分转置准则的负单调性。另一方面,我们基于Breuer(H.- P. Breuer,e-print quant-ph/0605036)。

英文摘要:

We derive bounds on the entanglement of formation of states of a 4xN bipartite system using two entanglement monotones constructed from operational separability criteria. The bounds are used simultaneously as constraints on the entanglement of formation. One monotone is the negativity, which is based on the Peres positive-partial-transpose criterion. For the other, we formulate a monotone based on a separability criterion introduced by Breuer (H.-P. Breuer, e-print quant-ph/0605036).

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