Broadening of Andreev bound states in d(x(2)-y(2)) superconductors

Poenicke, A. and Barash, Y. S. and Bruder, C. and Istyukov, V.. (1999) Broadening of Andreev bound states in d(x(2)-y(2)) superconductors. Physical Review B, Vol. 59, H. 10. pp. 7102-7107.

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Official URL: http://edoc.unibas.ch/dok/A5839237

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We investigate the broadening of the bound states at an interface of an unconventional superconductor by bulk impurity scattering. We use the quasiclassical theory and include impurity scattering in the Born and in the unitarity limit. The broadening of bound states due to unitary scatterers is shown to be substantially weaker than in the Born limit. We study various model geometries and calculate the temperature dependence of the Josephson critical current in the presence of these impurity-broadened bound states. [S0163-1829(99)07609-2].
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretische Physik (Bruder)
UniBasel Contributors:Bruder, Christoph
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Institute of Physics
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:14 Sep 2012 07:18
Deposited On:14 Sep 2012 06:44

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