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Proceedings Paper

Vortex motion at high frequencies in superconductors: insights into microwave power dependence
Author(s): James C. Booth; Dong Ho Wu; Steven M. Anlage
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Paper Abstract

We present a brief description of the role played by the motion of magnetic vortices in the power dependence and non-linearity of high Tc superconductors at rf and microwave frequencies. We then review the current understanding of vortex motion at rf and microwave frequencies, and present broadband (45 MHz - 50 GHz) experimental results which shows a striking crossover in the behavior of the vortex dynamics from a low-frequency interaction- dominated regime, to a high frequency essentially single-particle regime. Finally, we discuss the impact these different regimes of vortex motion have on the design and operation of high Tc rf and microwave devices.

Paper Details

Date Published: 1 September 1995
PDF: 9 pages
Proc. SPIE 2559, High-Temperature Microwave Superconductors and Applications, (1 September 1995); doi: 10.1117/12.218175
Show Author Affiliations
James C. Booth, Univ. of Maryland/College Park (United States)
Dong Ho Wu, Univ. of Maryland/College Park (United States)
Steven M. Anlage, Univ. of Maryland/College Park (United States)

Published in SPIE Proceedings Vol. 2559:
High-Temperature Microwave Superconductors and Applications
James D. Hodge, Editor(s)

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