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Andreev drag effect via magnetic quasiparticle focusing in normal-superconductor nanojunctions

Polinak, P. K. and Lambert, C. J. and Koltai, J. and Cserti, J. (2006) Andreev drag effect via magnetic quasiparticle focusing in normal-superconductor nanojunctions. Physical Review B, 74 (13). p. 132508. ISSN 1098-0121

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Abstract

We study a hybrid normal-superconductor (NS) pi junction in which the nonlocal current can be orders of magnitude larger than that in earlier proposed systems. We calculate the electronic transport of this NS hybrid system when an external magnetic field is applied. It is shown that the nonlocal current exhibits oscillations as a function of the magnetic field, making the effect tunable with the field. The underlying classical dynamics is qualitatively discussed.

Item Type: Article
Journal or Publication Title: Physical Review B
Uncontrolled Keywords: nanostructured materials ; quasiparticles ; superconductive tunnelling
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
ID Code: 552
Deposited By: Prof Colin J. Lambert
Deposited On: 20 Jun 2007
Refereed?: Yes
Published?: Published
Last Modified: 17 Sep 2013 08:23
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/552

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