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Exciton Transport and Andreev Reflection in a Bilayer Quantum Hall System

Finck, A. D. K. and Eisenstein, J. P. and Pfeiffer, L. N. and West, K. W. (2011) Exciton Transport and Andreev Reflection in a Bilayer Quantum Hall System. Physical Review Letters, 106 (23). Art. No. 236807. ISSN 0031-9007. https://resolver.caltech.edu/CaltechAUTHORS:20110624-092746822

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Abstract

We demonstrate that counterflowing electrical currents can move through the bulk of the excitonic quantized Hall phase found in bilayer two-dimensional electron systems (2DES) even as charged excitations cannot. These counterflowing currents are transported by neutral excitons which are emitted and absorbed at the inner and outer boundaries of an annular 2DES via Andreev reflection.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1103/PhysRevLett.106.236807DOIArticle
https://arxiv.org/abs/1012.4220arXivDiscussion Paper
Additional Information:© 2011 American Physical Society. Received 19 December 2010; published 10 June 2011. We thank A. H. MacDonald for helpful discussions. This work was supported via NSF Grant No. DMR-1003080.
Funders:
Funding AgencyGrant Number
NSFDMR-1003080
Issue or Number:23
Classification Code:PACS: 73.43.Nq, 71.35.Lk
Record Number:CaltechAUTHORS:20110624-092746822
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20110624-092746822
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:24191
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:24 Jun 2011 18:32
Last Modified:03 Oct 2019 02:54

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