Local spectrum of a superconductor as a probe of interactions between magnetic impurities

Michael E Flatte; David E Reynolds

doi:10.1103/PhysRevB.61.14810

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Local spectrum of a superconductor as a probe of interactions between magnetic impurities

Journal article

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Local spectrum of a superconductor as a probe of interactions between magnetic impurities

Michael E Flatte and David E Reynolds

Physical review. B, Condensed matter, Vol.61(21), 14810

06/01/2000

DOI: 10.1103/PhysRevB.61.14810

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https://arxiv.org/pdf/cond-mat/9912195View

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Abstract

Qualitative differences in the spectrum of a superconductor near magnetic impurity pairs with moments aligned parallel and antiparallel are derived. A proposal is made for a new, nonmagnetic scanning tunneling spectroscopy of magnetic impurity interactions based on these differences. Near parallel impurity pairs the mid-gap localized spin-polarized states associated with each impurity hybridize and form bonding and anti-bonding molecular states with different energies. For antiparallel impurity moments the states do not hybridize; they are degenerate.

Physics - Superconductivity

Details

Title: Subtitle: Local spectrum of a superconductor as a probe of interactions between magnetic impurities
Creators: Michael E Flatte - University of Iowa
David E Reynolds - University of Iowa
Resource Type: Journal article
Publication Details: Physical review. B, Condensed matter, Vol.61(21), 14810
DOI: 10.1103/PhysRevB.61.14810
ISSN: 0163-1829
eISSN: 1095-3795
Publisher: American Physical Society
Language: English
Date published: 06/01/2000
Academic Unit: Electrical and Computer Engineering; Physics and Astronomy
Record Identifier: 9984429046902771

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