Increase of entanglement by local PT -symmetric operations

Shin Liang Chen; Guang Yin Chen; Yueh Nan Chen

doi:10.1103/PhysRevA.90.054301

Increase of entanglement by local PT -symmetric operations

Shin Liang Chen, Guang Yin Chen, Yueh Nan Chen

物理學系

研究成果: Article › 同行評審

56 引文斯高帕斯（Scopus）

摘要

Entanglement plays a central role in the field of quantum information science. It is well known that the degree of entanglement cannot be increased under local operations. Here, we show that the concurrence of a bipartite entangled state can be increased under the local PT-symmetric operation. This violates the property of entanglement monotonicity. We also use the Bell-Clauser-Horne-Shimony-Holt and steering inequalities to explore this phenomenon.

原文	English
文章編號	054301
期刊	Physical Review A - Atomic, Molecular, and Optical Physics
卷	90
發行號	5
DOIs	https://doi.org/10.1103/PhysRevA.90.054301
出版狀態	Published - 2014 11月 10

All Science Journal Classification (ASJC) codes

原子與分子物理與光學

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10.1103/PhysRevA.90.054301

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Increase of entanglement by local PT -symmetric operations

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