Abstract
The surface impedance of a type II superconductor plate occurring in the mixed state was calculated. In the case when a constant external magnetic field is perpendicular to the plate surface, the real part of the impedance (considered as a function of the magnetic field strength) exhibits a maximum, which is a manifestation of the dimensional effect. Behavior of the maximum was followed depending on the plate thickness and the alternating field frequency. On the passage to a planar geometry, an allowance for the Bean-Livingston barrier explains the formation of vortex-free regions near the plate surface, which leads to a decrease in the surface resistance and suppression of the size effect.
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Translated from Pis’ma v Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 27, No. 11, 2001, pp. 43–48.
Original Russian Text Copyright © 2001 by Zhelezina, Maksimova.
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Zhelezina, N.V., Maksimova, G.M. Surface resistance of type II superconductors: The surface barrier effect. Tech. Phys. Lett. 27, 460–462 (2001). https://doi.org/10.1134/1.1383825
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DOI: https://doi.org/10.1134/1.1383825