Multiple Entropy Measures for Multi-particle Pure Quantum Statet

Multiple Entropy Measures for Multi-particle Pure Quantum Statet

We propose to use a set of averaged entropies, the multiple entropy measures （MEMS）, to partially quantify quantum entanglement of multipartite quantum state. The MEMS is vector-like with m = [N/2] components： [S1, S2,..., Sm], and the i-th component Si is the geometric mean of i-qubits partial entr...

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Veröffentlicht in:Communications in theoretical physics 2010 (11), p.825-828
1. Verfasser: 刘丹 赵鑫 龙桂鲁
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Sprache:eng
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MEMS
几何均值
多粒子
平均熵
微机电系统
纠缠态
量子态
量子比特
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creator 刘丹 赵鑫 龙桂鲁
description We propose to use a set of averaged entropies, the multiple entropy measures （MEMS）, to partially quantify quantum entanglement of multipartite quantum state. The MEMS is vector-like with m = [N/2] components： [S1, S2,..., Sm], and the i-th component Si is the geometric mean of i-qubits partial entropy of the system. The Si measures how strong an arbitrary i qubits from the system are correlated with the rest of the system. It satisfies the conditions for a good entanglement measure. We have analyzed the entanglement properties of the GHZ-state, the W-states, and cluster-states under MEMS.
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source IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link; Alma/SFX Local Collection
subjects MEMS
几何均值
多粒子
平均熵
微机电系统
纠缠态
量子态
量子比特
title Multiple Entropy Measures for Multi-particle Pure Quantum Statet
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