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Temperature dependence of the upper critical field of type-II superconductors from isothermal magnetization data. Application to high temperature superconductors

I. L. Landau·H. R. Ott
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Abstract

Using the Ginzburg-Landau theory in very general terms, we develop a simple scaling procedure which allows to establish the temperature dependence of the upper critical field and the value of the superconducting critical temperature Tc of type-II superconductors from measurements of the reversible isothermal magnetization. An analysis of existing experimental data shows that the normalized dependencies the upper critical field on T/Tc are practically identical for all families of high temperature superconductors at all temperatures for which the magnetization data are available.

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I. L. Landau, H. R. Ott. 2002-06-12. Temperature dependence of the upper critical field of type-II superconductors from isothermal magnetization data. Application to high temperature superconductors. https://doi.org/10.1103/physrevb.66.144506

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