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Title
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Tuning the superconducting properties of nanomaterials
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Author
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Abstract
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| Electron continement and its effect on the superconducting-to-normal phase transition driven by a magentic field and/or a current is studied in nanowires. Our investigation is based on a self-consistent numerical solution of the Bogoliubov-de Gennes equations. We find that in a parallel magneitc field and/or in the presence of a supercurrent the transition from the superconducting to the normal phase occurs as a cascade of discontinuous jumps in the superconducting order parameter for diameters D < 10 divided by 15 nm at T = 0. The critical magentic field exhibits quantum-size oscillations with pronounced resonant enhancements as a function of the wire radius. |
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Language
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English
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Source (book)
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Complex phenomena in nanoscale systems : proceedings of the NATO Advanced Research Workshop on Recent Advances in Nonlinear Dynamics and Complex System Physics from Natural to Social Sciences and Security, October 12-17, 2008, Tashkent, Uzbekistan
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Publication
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Dordrecht
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Springer
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2009
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ISBN
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978-90-481-3118-1
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DOI
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10.1007/978-90-481-3120-4_1
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Volume/pages
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p. 1-14
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ISI
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000274282900001
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Full text (Publisher's DOI)
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