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BCS superconductivity in metallic nanograins: Finite-size corrections, low-energy excitations, and robustness of shell effects

Garcia-Garcia, Antonio, Urbina, Juan Diego, Richter, Klaus, Yuzbashyan, Emil and Altshuler, Boris (2011) BCS superconductivity in metallic nanograins: Finite-size corrections, low-energy excitations, and robustness of shell effects. Physical Review B (PRB) 83 (1), 014510.

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Date of publication of this fulltext: 05 Mar 2010 07:20

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Abstract

We combine the BCS self-consistency condition, a semiclassical expansion for the spectral density and interaction matrix elements to describe analytically how the superconducting gap depends on the size and shape of a two- and three-dimensional superconducting grain. In chaotic grains mesoscopic fluctuations of the matrix elements lead to a smooth dependence of the order parameter on the ...

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Item type:Article
Date:20 January 2011
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Richter > Group Klaus Richter
Projects:GRK 638 Nonlinearity and nonequilibrium in condensed matter
Identification Number:
ValueType
10.1103/PhysRevB.83.014510DOI
0911.1559arXiv ID
Related URLs:
URLURL Type
http://prb.aps.org/abstract/PRB/v83/i1/e014510Publisher
http://arxiv.org/abs/0911.1559Preprint
Classification:
NotationType
74.20.Fg,75.10.Jm,71.10.LiiPACS
Keywords:superconductivity, shell effects, semiclassical methods, mesoscopic physics
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Partially
Item ID:13257
Owner only: item control page

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