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Bardeen-Cooper-Schrieffer Theory of Finite-Size Superconducting Metallic Grains

Garcia-Garcia, Antonio, Urbina, Juan Diego, Yuzbashyan, Emil, Richter, Klaus and Altshuler, Boris (2008) Bardeen-Cooper-Schrieffer Theory of Finite-Size Superconducting Metallic Grains. Physical Review Letters (PRL) 100 (18), p. 187001.

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Date of publication of this fulltext: 05 Aug 2009 13:57

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Abstract

We study finite size effects in superconducting metallic grains and determine the BCS order parameter and the low energy excitation spectrum in terms of the number of electrons, size, and shape of the grain. Our approach combines the BCS self-consistency condition, a semiclassical expansion for the spectral density and interaction matrix elements, and corrections to the BCS mean-field. In chaotic ...

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Item type:Article
Date:5 May 2008
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Richter > Group Klaus Richter
Projects:GRK 638 Nonlinearity and nonequilibrium in condensed matter, MOIF-CT-2005- 007300, NSF-DMR-0547769
Identification Number:
ValueType
10.1103/PhysRevLett.100.187001DOI
0710.2286arXiv ID
Classification:
NotationType
74.20.FgPACS
05.45.MtPACS
74.78.NaPACS
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:7806
Owner only: item control page

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