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|Title:||Local and nonlocal entanglement for quasiparticle pairs induced by Andreev reflection|
|Authors:||Zeng, Z.Y. |
|Source:||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|
|Appears in Collections:||Staff Publications|
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