Bernoulli potential in type-I and weak type-II superconductors: I. Surface charge
P. Lipavsky, K. Morawetz, J. Kolacek, J. J. Mares, E. H. Brandt, M., Schreiber
TL;DR
This paper investigates the electrostatic potential near the surface of superconductors in the Meissner state, revealing a significant non-local contribution alongside known effects like the Bernoulli potential.
Contribution
It identifies a large non-local contribution to the surface electrostatic potential in both type-I and weak type-II superconductors, expanding understanding of surface charge effects.
Findings
Non-local contribution to surface potential is significant.
Bernoulli potential and quasiparticle screening are present.
Thermodynamic effects due to Rickayzen are considered.
Abstract
The electrostatic potential close to the surface of superconductors in the Meissner state is discussed. We show that beside the Bernoulli potential, the quasiparticle screening, and the thermodynamic contribution due to Rickayzen, there is a non-local contribution which is large for both type-I and weak type-II superconductors.
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