Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevB.74.085312
Title: Local and nonlocal entanglement for quasiparticle pairs induced by Andreev reflection
Authors: Zeng, Z.Y. 
Zhou, L.
Hong, J.
Li, B. 
Issue Date: 2006
Citation: Zeng, Z.Y., Zhou, L., Hong, J., Li, B. (2006). Local and nonlocal entanglement for quasiparticle pairs induced by Andreev reflection. Physical Review B - Condensed Matter and Materials Physics 74 (8) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevB.74.085312
Abstract: We investigate local and nonlocal entanglement of particle pairs induced by direct and crossed Andreev reflections at the interfaces between a superconductor and two normal conductors. It is shown theoretically that both local and nonlocal entanglement can be quantified by concurrence and detected from the violation of a Bell inequality of spin current correlators, which are determined only by normal reflection and Andreev reflection eigenvalues. There exists a one-to-one correspondence between the concurrence and the maximal Bell-CHSH parameter in the tunneling limit. © 2006 The American Physical Society.
Source Title: Physical Review B - Condensed Matter and Materials Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/97079
ISSN: 10980121
DOI: 10.1103/PhysRevB.74.085312
Appears in Collections:Staff Publications

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