去相
干涉测量
物理
量子纠缠
度量(数据仓库)
量子力学
二部图
量子位元
量子
统计物理学
计算机科学
理论计算机科学
数据库
图形
作者
Hongbiao Li,Qiang Zheng,Qi‐Jun Zhi,Yong Li
出处
期刊:Physical review
日期:2022-04-21
卷期号:105 (4)
被引量:1
标识
DOI:10.1103/physreva.105.042612
摘要
Interferometric power, based on the minimal quantum Fisher information in a black-box interferometer, can be used to measure general quantum correlation in a bipartite system. This paper explores the interferometric power of a two-qubit system in a common bath. It is found that, for an initially separable state, the interferometric power of the system can be produced with the time evolution, even subject to the dephasing environment. Moreover, it is asymmetric with respect to the local evolution implementing on one subsystem or another. Our result would be useful to quantum information processing beyond entanglement, especially in one-sided device-independent task.
科研通智能强力驱动
Strongly Powered by AbleSci AI