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Title
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The Cooper problem in nanoscale : enhancement of the coupling due to confinement
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Author
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Abstract
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| In 1956 Cooper demonstrated (1956 Phys. Rev. 104 1189) that, no matter how weak the attraction is, two electrons in three-dimensional (3D) space just above the Fermi sea could be bound. In this work we investigate the influence of confinement on the binding energy of a Cooper pair. We show that confinement-induced modification of the Fermi sea results in a significant increase of the binding energy, when the bottom of an energy subband is very close to the Fermi surface. |
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Language
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English
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Source (journal)
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Superconductor science and technology. - Bristol
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Publication
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Bristol
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2012
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ISSN
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0953-2048
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DOI
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10.1088/0953-2048/25/12/124001
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Volume/pages
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25
:12
(2012)
, p. 1-5
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Article Reference
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124001
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ISI
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000311418100004
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (publisher's version - intranet only)
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