Electron-Phonon Interaction in Conventional and Unconventional Superconductors

The problem of conventional, low-temperature superconductivity has been regarded as solved since the seminal work of Bardeen, Cooper, and Schrieffer (BCS) more than 50 years ago. However, the theory does not allow accurate predictions of some of the most fundamental properties of a superconductor, i...

Disgrifiad llawn

Wedi'i Gadw mewn:
Manylion Llyfryddiaeth
Prif Awdur: Aynajian, Pegor
Fformat: Livre numérique
Iaith:Anglais
Cyhoeddwyd: Berlin, Heidelberg : Springer Berlin Heidelberg 2011.
Cham : Springer Nature
Cyfres:Springer Theses, Recognizing Outstanding Ph.D. Research
Mynediad Ar-lein:Accès sur la plateforme de l'éditeur
Accès sur la plateforme Istex
Accès Université d'Orléans
Accès INSA CVL
Nodyn: Archives Springer e-books (Licence nationale)
Archives Springer e-books (Licence nationale)
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Edition sous un autre format:• Electron-Phonon Interaction in Conventional and Unconventional Superconductors, Texte imprimé, 9783642266959
• Electron-Phonon Interaction in Conventional and Unconventional Superconductors, Texte imprimé, 9783642149672
• Electron-Phonon Interaction in Conventional and Unconventional Superconductors, Texte imprimé, 9783642149696
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245 1 0 |a Electron-Phonon Interaction in Conventional and Unconventional Superconductors   |c by Pegor Aynajian. 
260 |a Berlin, Heidelberg :  |b Springer Berlin Heidelberg. 
260 |a Cham :  |b Springer Nature,  |c 2011. 
490 0 |a Springer Theses, Recognizing Outstanding Ph.D. Research  |x 2190-5061 
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500 |a Archives Springer e-books (Licence nationale) 
505 0 |a 1. Introduction -- 2. Phonons and their Interactions -- 3. Conventional Superconductivity -- 4. Unconvential Superconductivity -- 5. Neutron Spectroscopy -- 6. Experimental Aspects -- 7. Results and Discussions -- 8. Conclusion. 
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520 |a The problem of conventional, low-temperature superconductivity has been regarded as solved since the seminal work of Bardeen, Cooper, and Schrieffer (BCS) more than 50 years ago. However, the theory does not allow accurate predictions of some of the most fundamental properties of a superconductor, including the superconducting energy gap on the Fermi surface. This thesis describes the development and scientific implementation of a new experimental method that puts this old problem into an entirely new light. The nominee has made major contributions to the development and implementation of a new experimental method that enhances the resolution of spectroscopic experiments on dispersive lattice-vibrational excitations (the "glue" responsible for Cooper pairing of electrons in conventional superconductors) by more than two orders of magnitude. Using this method,he has discovered an unexpected relationship between the superconducting energy gap and the geometry of the Fermi surface in the normal state, both of which leave subtle imprints in the lattice vibrations that could not be resolved by conventional spectroscopic methods. He has confirmed this relationship on two elemental superconductors and on a series of metallic alloys. This indicates that a mechanism qualitatively beyond the standard BCS theory determines the magnitude and anisotropy of the superconducting gap. 
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776 0 |t Electron-Phonon Interaction in Conventional and Unconventional Superconductors  |b Texte imprimé  |z 9783642149672 
776 0 |t Electron-Phonon Interaction in Conventional and Unconventional Superconductors  |b Texte imprimé  |z 9783642149696 
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