Indistinguishability of orthogonal time-separated bell states
被引:1
|
作者:
Tan Yong-Gang
论文数: 0引用数: 0
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机构:
Chinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonances & Atom & Mol Phys, Wuhan 430071, Peoples R China
Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R ChinaChinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonances & Atom & Mol Phys, Wuhan 430071, Peoples R China
Tan Yong-Gang
[1
,2
]
Cai Qing-Yu
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h-index: 0
机构:
Chinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonances & Atom & Mol Phys, Wuhan 430071, Peoples R ChinaChinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonances & Atom & Mol Phys, Wuhan 430071, Peoples R China
Cai Qing-Yu
[1
]
Shi Ting-Yun
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h-index: 0
机构:
Chinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonances & Atom & Mol Phys, Wuhan 430071, Peoples R ChinaChinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonances & Atom & Mol Phys, Wuhan 430071, Peoples R China
Shi Ting-Yun
[1
]
机构:
[1] Chinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonances & Atom & Mol Phys, Wuhan 430071, Peoples R China
[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
bell states;
time-separated;
indistinguishability;
D O I:
10.1088/1674-1056/17/9/007
中图分类号:
O4 [物理学];
学科分类号:
0702 ;
摘要:
This paper proves that it is impossible to identify orthogonally time-separated Bell states. If two qubits of a Bell state interact with the measurement apparatus at different time, any attempt to identify this state will disturb it.
机构:
State Key Laboratory of Magnetic Resonances and Atomic and Molecular Physics,Wuhan Institute of Physics and Mathematics,Chinese Academy of SciencesState Key Laboratory of Magnetic Resonances and Atomic and Molecular Physics,Wuhan Institute of Physics and Mathematics,Chinese Academy of Sciences