Superconductivity in Ultrasmall Grains: Introduction to Richardson's Exact Solution

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dc.creatorvon Delft, Jan
dc.creatorBraun, Fabian
dc.date1999-11-04
dc.date.accessioned2026-07-07T03:14:59Z
dc.date.available2026-07-07T03:14:59Z
dc.descriptionStudies of pairing correlations in ultrasmall metallic grains have commonly been based on a simple reduced BCS-model describing the scattering of pairs of electrons between discrete energy levels that come in time-reversed pairs. This model has an exact solution, worked out by Richardson in the context of nuclear physics in the 1960s. Here we give a tutorial introduction to his solution, and use it to check the quality of various previous treatments of this model.
dc.description10 pages, 1 figure, Submitted to the Proceedings of the NATO ASI "Quantum Mesoscopic Phenomena and Mesoscopic Devices in Microelectronics", Ankara/Antalya, Turkey, June 1999, Eds. I.O. Kulik and R. Ellialtioglu, Kluwer Ac. Publishers
dc.identifierhttps://arxiv.org/abs/cond-mat/9911058
dc.identifierhttp://arxiv.org/abs/cond-mat/9911058
dc.identifierProceedings of the NATO ASI "Quantum Mesoscopic Phenomena and Mesoscopic Devices in Microelectronics", Ankara/Antalya, Turkey, June 1999, Eds. I.O. Kulik and R. Ellialtioglu, Kluwer Ac. Publishers, Dordrecht, 2000, p. 361.
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/29889
dc.subjectStrongly Correlated Electrons
dc.subjectMesoscale and Nanoscale Physics
dc.subjectMathematical Physics
dc.subjectNuclear Theory
dc.titleSuperconductivity in Ultrasmall Grains: Introduction to Richardson's Exact Solution
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