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Transport across a normal-superconducting interface with coulomb interactions: a novel probe of electron-electron interactions in the normal metal.

Dolby, P. and Seviour, R. and Lambert, C. J. (2001) Transport across a normal-superconducting interface with coulomb interactions: a novel probe of electron-electron interactions in the normal metal. Journal of Physics: Condensed Matter, 13. L147-L152.

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Abstract

In this letter, we examine the effect of Coulomb interactions in the normal region of a normal-superconducting (N/S) mesoscopic structure; here the change from an attractive to a repulsive Coulombic interaction, at the N/S interface, causes a shift in the order parameter phase. We show that this shift has a pronounced effect on the Andreev bound states and demonstrate that the effect on Andreev scattering of non-zero order parameter tails can be used to probe the sign of the interaction in the normal region.

Item Type: Article
Journal or Publication Title: Journal of Physics: Condensed Matter
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Mathematics and Statistics
Faculty of Health and Medicine > Health Research
Faculty of Science and Technology > Physics
Faculty of Science and Technology > School of Computing & Communications
Faculty of Science and Technology > Engineering
ID Code: 578
Deposited By: Prof Colin J. Lambert
Deposited On: 04 Jul 2007
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 18:14
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/578

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