A bipartite dass of entanglement monotones for N-qubit pure states

A bipartite dass of entanglement monotones for N-qubit pure states
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DOI:
10.1088/0305-4470/37/34/008
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发表时间:
2004-08-27
期刊:
JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL
影响因子:
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通讯作者:
Emary, C
Emary, C
中科院分区:
其他
文献类型:
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作者:
Emary, C

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基于系统的二分分解,我们构造了一类N比特纯态的代数不变量。我们表明,它们是纠缠单调,并且它们不同于众所周知的子系统的线性熵。因此,他们捕捉新的信息的非局部性质的多部系统。
We construct a class of algebraic invariants for N-qubit pure states based on bipartite decompositions of the system. We show that they are entanglement monotones, and that they differ from the well-known linear entropies of the subsystems. They therefore capture new information on the non-local properties of multipartite systems.