Quantifying the entanglement of quantum states under the geometric method

Xian Shi; Lin Chen; Yixuan Liang

doi:10.1088/1402-4896/aca56e

Quantifying the entanglement of quantum states under the geometric method

Xian Shi
, Lin Chen^*
, Yixuan Liang

^*此作品的通讯作者

数学科学学院

Beijing University of Chemical Technology
Beihang University

科研成果: 期刊稿件 › 文章 › 同行评审

2 引用（Scopus）

摘要

Quantifying entanglement is an important issue in quantum information theory. Here we consider the entanglement measures through the trace norm in terms of two methods, the modified measure and the extended measure for bipartite states. We present the analytical formula for the pure states in terms of the modified measure and the mixed states of two-qubit systems for the extended measure. We also generalize the modified measure from bipartite states to tripartite states.

源语言	英语
文章编号	015103
期刊	Physica Scripta
卷	98
期	1
DOI	https://doi.org/10.1088/1402-4896/aca56e
出版状态	已出版 - 1 1月 2023

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10.1088/1402-4896/aca56e

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abstract = "Quantifying entanglement is an important issue in quantum information theory. Here we consider the entanglement measures through the trace norm in terms of two methods, the modified measure and the extended measure for bipartite states. We present the analytical formula for the pure states in terms of the modified measure and the mixed states of two-qubit systems for the extended measure. We also generalize the modified measure from bipartite states to tripartite states.",

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N2 - Quantifying entanglement is an important issue in quantum information theory. Here we consider the entanglement measures through the trace norm in terms of two methods, the modified measure and the extended measure for bipartite states. We present the analytical formula for the pure states in terms of the modified measure and the mixed states of two-qubit systems for the extended measure. We also generalize the modified measure from bipartite states to tripartite states.

AB - Quantifying entanglement is an important issue in quantum information theory. Here we consider the entanglement measures through the trace norm in terms of two methods, the modified measure and the extended measure for bipartite states. We present the analytical formula for the pure states in terms of the modified measure and the mixed states of two-qubit systems for the extended measure. We also generalize the modified measure from bipartite states to tripartite states.

KW - W state

KW - entanglement measure

KW - trace norm

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DO - 10.1088/1402-4896/aca56e

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Quantifying the entanglement of quantum states under the geometric method

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