Vortex motion at high frequencies in superconductors: insights into microwave power dependence

James C. Booth; Dong Ho Wu; Steven M. Anlage

doi:10.1117/12.218175

1 September 1995 Vortex motion at high frequencies in superconductors: insights into microwave power dependence

James C. Booth, Dong Ho Wu, Steven M. Anlage

Proceedings Volume 2559, High-Temperature Microwave Superconductors and Applications; (1995) https://doi.org/10.1117/12.218175
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

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 T_c 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 T_c rf and microwave devices.

Citation Download Citation

James C. Booth, Dong Ho Wu, and Steven M. Anlage "Vortex motion at high frequencies in superconductors: insights into microwave power dependence", Proc. SPIE 2559, High-Temperature Microwave Superconductors and Applications, (1 September 1995); https://doi.org/10.1117/12.218175

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