High-temperature superconductivity of ceramic systems

On the basis of fluctuation theory of the high-temperature superconductivity (HTS) the spectrum of quasi-particles exchanged by electron pairs in high-temperature ceramic superconductors is treated. It was shown, that unlike low-temperature superconductors where the electrons exchange virtual phonon...

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Published in:Solid state communications 1989-02, Vol.69 (6), p.605-610
Main Authors: Ilyichev, V.I., Savchenko, M.A., Stefanovich, A.V.
Format: Article
Language:English
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Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Physics
Superconductivity
Theory and models of superconducting state
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container_end_page 610
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container_start_page 605
container_title Solid state communications
container_volume 69
creator Ilyichev, V.I.
Savchenko, M.A.
Stefanovich, A.V.
description On the basis of fluctuation theory of the high-temperature superconductivity (HTS) the spectrum of quasi-particles exchanged by electron pairs in high-temperature ceramic superconductors is treated. It was shown, that unlike low-temperature superconductors where the electrons exchange virtual phonons, in HTS the electrons must exchange virtual quasi-phonons which are quanta of the coupled oscillations of the crystal lattice ions with the spin fluctuations of the conduction electrons. We calculated the spin-phonon coupling parameter, the critical temperature of HTS T c and determined the methods of synthesizing of new HTS compounds.
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subjects Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Physics
Superconductivity
Theory and models of superconducting state
title High-temperature superconductivity of ceramic systems
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