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Title
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Superconducting nanowires : new type of BCS-BEC crossover driven by quantum-size effects
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Author
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Abstract
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| We show that a superconducting quantum nanowire undergoes a new type of BCS-BEC crossover each time when an electron subband approaches the Fermi surface. In this case the longitudinal Cooper-pair size drops by two-three orders of magnitude down to a few nanometers. This unconventional BCS-BEC crossover is driven by quantum-size effects rather than by tuning the fermion-fermion interaction. |
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Language
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English
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Source (book)
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Physical properties of nanosystems : proceedings of the Conference of the NATO-ARW on Physical Properties of Nanosystems, September 28-October 2, 2009, Yalta, Ukraine / Bonca, J. [edit.]; et al. [edit.]
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Publication
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Dordrecht
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Springer
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2011
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ISBN
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978-94-007-0043-7
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DOI
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10.1007/978-94-007-0044-4_9
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Volume/pages
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p. 119-127
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ISI
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000289872900009
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Full text (Publisher's DOI)
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