Thermal Stability of Superconductors

A stability criterion is worked out for the superconducting phase. The validity of a prerequisite, established previously for persistent currents, is thereby confirmed. Temperature dependence is given for the specific heat and concentration of superconducting electrons in the vicinity of the critica...

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Published in:arXiv.org 2020-10
Main Authors: Szeftel, Jacob, Sandeau, Nicolas, Michel Abou Ghantous, El-Saba, Muhammad
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Language:English
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Critical temperature
Isotope effect
Stability criteria
Superconductivity
Thermodynamic properties
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Sandeau, Nicolas
Michel Abou Ghantous
El-Saba, Muhammad
description A stability criterion is worked out for the superconducting phase. The validity of a prerequisite, established previously for persistent currents, is thereby confirmed. Temperature dependence is given for the specific heat and concentration of superconducting electrons in the vicinity of the critical temperature \(T_c\). The isotope effect, mediated by electron-phonon interaction and hyperfine coupling, is analyzed. Several experiments, intended at validating this analysis, are presented, including one giving access to the specific heat of high-\(T_c\) compounds.
doi_str_mv 10.48550/arxiv.2006.13672
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subjects Critical temperature
Isotope effect
Stability criteria
Superconductivity
Thermodynamic properties
title Thermal Stability of Superconductors
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