Quantum teleportation of particles in an environment*

被引:33
作者
Yang, Lu [1 ,2 ,3 ]
Liu, Yu-Chen [4 ]
Li, Yan-Song [1 ,2 ,3 ]
机构
[1] Tsinghua Univ, State Key Lab Low Dimens Quantum Phys, Beijing 100084, Peoples R China
[2] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
[3] Frontiers Sci Ctr Quantum Informat, Beijing 100084, Peoples R China
[4] Jilin Univ, Sch Phys, Changchun 130012, Peoples R China
基金
中国国家自然科学基金; 国家重点研发计划;
关键词
quantum tele-transformation; teleportation; entanglement swapping;
D O I
10.1088/1674-1056/ab84de
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We discuss the teleportation of particles in an environment of an N-body system. In this case, we can change a many-body system into an arbitrary shape in space by teleporting some or all the constituent particles, and thus we call the quantum teleportation under this circumstance as quantum tele-transformation (QTT). The particular feature of QTT is that the wave function of the internal degrees of freedom remains the same, while the spatial wave function experiences a drastic change. The notion of QTT provides conceptual and pedagogical convenience for quantum information processing. In view of QTT, teleportation is the change of a single particle in space, while entanglement swapping is the change of one particle of an entangled pair.
引用
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页数:3
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