Title
Tuning the superconducting properties of nanomaterials Tuning the superconducting properties of nanomaterials
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
bookPart
Publication
Dordrecht :Springer, [*]
Subject
Physics
Biology
Source (book)
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
ISBN - Hoofdstuk
978-90-481-3118-1
ISI
000274282900001
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
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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