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Thermal Stability of Superconductors

Abstract : 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 Tc. 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-Tc compounds
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Submitted on : Tuesday, November 30, 2021 - 2:08:16 PM
Last modification on : Tuesday, November 30, 2021 - 2:16:51 PM


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Jacob Szeftel, Nicolas Sandeau, Michel Abou Ghantous, Muhammad El-Saba. Thermal Stability of Superconductors. Journal of Superconductivity and Novel Magnetism, Springer Verlag, 2021, 34 (1), pp.37-42. ⟨10.1007/s10948-020-05743-4⟩. ⟨hal-03121884⟩



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