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High-frequency vortex dynamics and dissipation of high-temperature superconductors

N.-C. Yeh
Phys. Rev. B 43, 523 – Published 1 January 1991
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Abstract

The high-frequency vortex dynamics of high-temperature superconductors near the flux-line depinning threshold is investigated based on a thermally activated flux-flow (TAFF) model. Dissipation due to vortex motion driven by a microwave electromagnetic field is studied as a function of the frequency, temperature, dc magnetic field, and microwave power. The generalized TAFF model is also compared to the conventional flux-creep theory and is found qualitatively consistent.

  • Received 31 August 1990

DOI:https://doi.org/10.1103/PhysRevB.43.523

©1991 American Physical Society

Authors & Affiliations

N.-C. Yeh

  • Department of Physics, California Institute of Technology, Pasadena, California 91125

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Vol. 43, Iss. 1 — 1 January 1991

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