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Title
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Andreev-type states induced by quantum confinement
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Author
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Abstract
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| The properties of a clean superconductor with nanoscale dimensions are governed by quantum confinement of the electrons. This results in a spatially inhomogeneous superconducting condensate and in the formation of new Andreev-type quasiparticle states. These states are mainly located beyond regions where the superconducting condensate is enhanced. A numerical self-consistent solution of the Bogoliubov-de Gennes equations for a cylindrical metallic nanowire shows that these new Andreev-type states decrease the ratio of the energy gap to the critical temperature. |
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Language
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English
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Source (journal)
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Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques
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Publication
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2008
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ISSN
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1027-4510
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DOI
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10.1134/S1027451008040216
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Volume/pages
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2
:4
(2008)
, p. 611-615
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ISI
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000262864600021
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Full text (Publisher's DOI)
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