基于欧几里得贴近度的纠缠度构造

Entanglement Measure Construction Based on Euclidean Nearness Degree

首先构造量子态的系数矩阵的子矩阵集,建立该集合到复数集的主映射与次映射的欧几里得贴近度,接着利用该贴近度讨论两体量子系统纠缠度的构造,并证实它的合理性,最后将其推广到多体量子系统.

In this paper,firstly,we construct the submatrix sets of the coefficient matrices of quantum state.Then we establish the Euclidean nearness degree of the primary and secondary mapping from the sets to the complex set.Furthermore,the entanglement measure is discussed in bipartite quantum systems using the nearness degree.Finally,we generalized it to the multipartite quantum systems.