Superconducting Surface Impedance under Radiofrequency Field
arXiv:1207.4739 · doi:10.1016/j.physc.2013.04.003
Abstract
Based on BCS theory with moving Cooper pairs, the electron states distribution at 0K and the probability of electron occupation with finite temperature have been derived and applied to anomalous skin effect theory to obtain the surface impedance of a superconductor under radiofrequency (RF) field. We present the numerical results for Nb and compare these with representative RF field-dependent effective surface resistance measurements from a 1.5 GHz resonant structure.
Cited by in corpus (9)
- Nitrogen and argon doping of niobium for superconducting radio frequency cavities: a pathway to highly efficient accelerating structures
- Reply to "Comment on the 'Decrease of the surface resistance in superconducting niobium resonator cavities by the microwave field'"
- Effect of interstitial impurities on the field dependent microwave surface resistance of niobium
- Two different origins of the Q-slope problem in superconducting niobium film cavities for a heavy ion accelerator at CERN
- Determination of the magnetic field dependence of the surface resistance of superconductors from cavity tests
- A new first-principles calculation of field-dependent RF surface impedance of BCS superconductor and application to SRF cavities
- Signatures of Enhanced Superconducting Properties in Niobium Cavities
- rf surface impedance of a two-gap superconductor, considering magnesium diboride for accelerator applications
- Field-dependent surface resistance of a superconducting RF cavity caused by surface impurity