Focused crossed Andreev reflection

H. Haugen, A. Brataas, X. Waintal, G. E.W. Bauer

研究成果: Article査読

3 被引用数 (Scopus)

抄録

We consider non-local transport mediated by Andreev reflection in a two-dimensional electron gas (2DEG) connected to one superconducting and two normal metal terminals. A robust scheme is presented for observing crossed Andreev reflection (CAR) between the normal metal terminals based on electron focusing by weak perpendicular magnetic fields. At slightly elevated temperatures the CAR signature can be easily distinguished from a background of quantum interference fluctuations. The CAR-induced entanglement between electrons can be switched on and off over large distances by the magnetic field.

本文言語English
論文番号67005
ジャーナルEPL
93
6
DOI
出版ステータスPublished - 2011 3月

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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