Connecting quantum steering with extractable work in a two-mode Gaussian state

被引：3
|
作者：
Zheng, Qiang [1 ]
Li, Yong [2 ,3 ]
机构：
[1] Guizhou Normal Univ, Sch Math, Guiyang 550001, Peoples R China
[2] Beijing Computat Sci Res Ctr, Beijing 100193, Peoples R China
[3] Hunan Normal Univ, Synerget Innovat Ctr Quantum Effects & Applicat, Changsha 410081, Peoples R China
来源：
EUROPEAN PHYSICAL JOURNAL D | 2020年 / 74卷 / 04期
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
Quantum Information; PODOLSKY-ROSEN PARADOX; INFORMATION; COLLOQUIUM; PHYSICS;
D O I：
10.1140/epjd/e2020-100464-4
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Quantum steering is an intermediate-level correlation between Bell nonlocality and quantum entanglement. Motivated by the fact that quantum correlation in working medium plays a nontrivial role in extracting work, this paper explores the relationship between the extractable work and quantum steering of the working medium, which is in a two-mode Gaussian state. Measuring one mode with Gaussian operation will produce a back-action on the other mode, which can be used to extract work. It is found that for two special kinds of quantum states with suitable measurements, there is a simple linear relationship between the extractable work and the quantum steering.
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页数：6
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