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Analysis of planar superconducting waveguides in DC magnetic field

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Abstract

A theoretical analysis of microwave properties of planar superconducting waveguides of finite thickness in the presence of an external dc magnetic field is presented in this article. Some analytical formulas are derived for determining the attenuation and dispersion properties of the superconducting waveguide, which may account for the effects of the dc magnetic field, the electrodynamic properties of type-II superconductors, the thickness of superconducting films, and the dielectric loss in the waveguide. Numerical results are then given to show quantitatively how the dc magnetic field influences the propagation properties of the planar superconducting waveguide. Some analysis are also given to study the effect of dc magnetic field on the quality factorQ and the resonant frequency of planar superconducting waveguide resonators.

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  1. Ericsson Telecom AB, KK/ETX/T/TL, S-126 25, Stockholm, Sweden

    Shu -Ang Zhou

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  1. Shu -Ang Zhou
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Zhou, S.A. Analysis of planar superconducting waveguides in DC magnetic field. J Supercond 8, 113–119 (1995). https://doi.org/10.1007/BF00732251

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  • DOI: https://doi.org/10.1007/BF00732251

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