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题名: Entanglement Concentration with Different Measurement in a 3-Mode Optomechanical System
作者: Li, Z
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 2017
卷号: 68, 期号:1, 页码:57-63
关键词: entanglement concentration ;  quantum measurement ;  optomechanical system
学科分类: Physics
DOI: http://dx.doi.org/10.1088/0253-6102/68/1/57
通讯作者: Li, Z (reprint author), Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China. ;  Li, Z (reprint author), Univ Chinese Acad Sci, Sch Phys, POB 4588, Beijing 100049, Peoples R China.
文章类型: Article
英文摘要: In this work, we perform a series of phonon counting measurement with different methods in a 3-mode optomechanical system, and we compare the difference of the entanglement after measurement. In this article we focus on the three cases: prefect measurement, imperfect measurement and on-off measurement. We find that whatever measurement you take, the entanglement will increase. The size of entanglement enhancement is the largest in the perfect measurement, second in the imperfect measurement, and it is not obvious in the on-off measurement. We are sure that the more precise measurement information, the larger entanglement concentration.
类目[WOS]: Physics, Multidisciplinary
关键词[WOS]: NOISY CHANNELS ;  QUANTUM ;  AMPLIFICATION ;  TELEPORTATION ;  PURIFICATION ;  STATES
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/22021
Appears in Collections:理论物理所2017年知识产出_期刊论文

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Recommended Citation:
Li, Z. Entanglement Concentration with Different Measurement in a 3-Mode Optomechanical System[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2017,68(1):57-63.
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