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http://hdl.handle.net/11375/17990
Title: | Some Effects of The Atomicity of a Metal On Its Dielectric Response and Its Superconducting State |
Authors: | Ingleby, Michael |
Advisor: | Twose, W. D. Carbotte, J. -P |
Department: | Physics |
Keywords: | atomicity, electronic pairing, Bardeen, Cooper, Schrieffer, lattice polarisation, repulsion, propagator, Dyson, Fermi liquid |
Publication Date: | May-1968 |
Abstract: | <p> Although the electronic pairing hypothesis of Bardeen, Cooper and Schrieffer is verified by experiment, the lattice polarisation mechanism for over-screening the repulsion between mates in a pair need not be the sole mechanism. </p> <p> Alternatives to the lattice polarisation mechanism are discussed and a new approach to electronic polarisation is developed. Propagator formalism is reworked using a charge density propagator to avoid the Dyson equation for the screened potential. The fermi liquid approach to electrons in a metal is avoided, too, because it misses the correlations which give a solid its atomicity. An atomic picture is contrived instead and used to predict what observable features of a superconductor are influenced by atomic correlations. </p> |
URI: | http://hdl.handle.net/11375/17990 |
Appears in Collections: | Open Access Dissertations and Theses |
Files in This Item:
File | Description | Size | Format | |
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Ingleby_Michael_May1968_Ph D.pdf | 2.74 MB | Adobe PDF | View/Open |
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