Discontinuity of capacitance at the onset of surface superconductivity
Discontinuity of capacitance at the onset of surface superconductivity
Morawetz, K.; Lipavsky, P.; Mares, J. J.
Abstract
The effect of the magnetic field on a capacitor with a superconducting electrode is studied within the Ginzburg-Landau (GL) approach. It is shown that the capacitance has a discontinuity at the onset of the surface superconductivity B_{\rm c3} which is expressed as a discontinuity in the penetration depth of the electric field into metals. Estimates show that this discontinuity is observable with recent bridges for both conventional and high-T_{\rm c} superconductors of the type-II.
- New Journal of Physics 11(2009)023032, 1-8
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