ITP OpenIR  > 理论物理所2015年知识产出
Entanglement concentration with strong projective measurement in an optomechanical system
Maimaiti, W; Li, Z; Chesi, S; Wang, YD; Wang, YD (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
2015
发表期刊SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
卷号58期号:5页码:50309
文章类型Article
摘要In this work, we study an entanglement concentration scheme in a 3-mode optomechanical system. The scheme is based on phonon counting measurements, which can be performed through photon counting of an auxiliary cavity connected to the mechanical resonator. The amount of entanglement between the two cavity output modes is found to increase logarithmically with the number of detected phonons ( photons). Such an entanglement concentration scheme is deterministic since, independently of the number of detected phonons ( photons), the measurement always leads to an increase in output entanglement. Besides numerical simulations, we provide analytical results and physical insight for the improved entanglement and the concentration efficiency.
关键词Optomechanics Entanglement Concentration Quantum Measurement Optomechanical Entanglement
学科领域Physics
资助者Chinese Youth 1000 Talents Program ; Chinese Youth 1000 Talents Program ; National Natural Science Foundation of China [11434011] ; National Natural Science Foundation of China [11434011] ; Chinese Youth 1000 Talents Program ; Chinese Youth 1000 Talents Program ; National Natural Science Foundation of China [11434011] ; National Natural Science Foundation of China [11434011]
DOIhttp://dx.doi.org/10.1007/s11433-015-5657-8
关键词[WOS]MULTIPARTITE ENTANGLEMENT ; QUANTUM STATES ; NOISY CHANNELS ; TELEPORTATION ; PURIFICATION
收录类别SCI
语种英语
资助者Chinese Youth 1000 Talents Program ; Chinese Youth 1000 Talents Program ; National Natural Science Foundation of China [11434011] ; National Natural Science Foundation of China [11434011] ; Chinese Youth 1000 Talents Program ; Chinese Youth 1000 Talents Program ; National Natural Science Foundation of China [11434011] ; National Natural Science Foundation of China [11434011]
WOS类目Physics, Multidisciplinary
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21018
专题理论物理所2015年知识产出
通讯作者Wang, YD (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
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GB/T 7714
Maimaiti, W,Li, Z,Chesi, S,et al. Entanglement concentration with strong projective measurement in an optomechanical system[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2015,58(5):50309.
APA Maimaiti, W,Li, Z,Chesi, S,Wang, YD,&Wang, YD .(2015).Entanglement concentration with strong projective measurement in an optomechanical system.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,58(5),50309.
MLA Maimaiti, W,et al."Entanglement concentration with strong projective measurement in an optomechanical system".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 58.5(2015):50309.
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