Maximum supercurrent in Josephson junctions with alternating critical current density
Maayan Moshe, C. W. Schneider, G. Bensky, and R. G. Mints
TL;DR
This paper investigates how the maximum supercurrent in Josephson junctions with alternating critical current density depends on magnetic fields, revealing multiple flux-penetration fields and unique vortex states.
Contribution
It provides a theoretical and numerical analysis of magnetic field effects on supercurrent in complex Josephson junctions with spatially varying properties.
Findings
Existence of two flux-penetration fields.
Presence of a one-splinter-vortex equilibrium state.
Identification of unique magnetic field dependencies.
Abstract
We consider theoretically and numerically magnetic field dependencies of the maximum supercurrent across Josephson tunnel junctions with spatially alternating critical current density. We find that two flux-penetration fields and one-splinter-vortex equilibrium state exist in long junctions.
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