Radio-frequency surface impedance of type-II superconductors: Dependence upon the magnitude and angle of an applied static magnetic field
Conference
·
OSTI ID:10178948
The application of a static magnetic field introduces vortices into a type-II superconductor. The dynamic response of these vortices strongly affects the surface impedance (surface resistance and surface reactance) of the superconductor. Using a self-consistent approach for including the influence of the vortices upon the complex-valued radio-frequency penetration depth, we calculate in this paper how the surface impedance depends upon the static magnetic field`s magnitude and angle relative to the surface and to the rf magnetic field. The surface resistance is maximized when the induced rf currents are perpendicular to the static field.
- Research Organization:
- Ames Lab., IA (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-7405-ENG-82
- OSTI ID:
- 10178948
- Report Number(s):
- IS-M--719; CONF-910736--27; ON: DE92040583
- Country of Publication:
- United States
- Language:
- English
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