期刊
SOLID STATE COMMUNICATIONS
卷 184, 期 -, 页码 17-20出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ssc.2013.12.035
关键词
Superconductor; Fractional quantum Hall effect; Andrecv reflection
资金
- State Key Program for Basic Researches of China [2014CB921103, 2011CB922103, 2010CB923400]
- National Natural Science Foundation of China [11225420, 11174125, 91021003]
- PAPD of Jiangsu Higher Education Institutions
The tunnel junction of an s-wave superconductor (SC) coupled to two spatially separated fractional quantum Hall (FQH) liquids with opposite spin polarizations is investigated theoretically. In the strong coupling limit, crossed Andreev reflection occurs, where a set of quasiparticles reflected as quasiholes on each FQH liquid side with Cooper pairs transmitted into the SC. The numbers of quasiparticles and quasiholes involved in the AR process satisfy a specific selection rule. In addition, such a setup can serve as an entangler, creating a spin singlet of two electrons, which are spatially separated. (C) 2014 Elsevier Ltd. All rights reserved.
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