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.