2007•Physical Review BOpen access

Maximum supercurrent in Josephson junctions with alternating critical current density

Maayan Moshe, Christof W. Schneider, Guy Bensky, R. G. Mint︠s︡

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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Key concepts: Supercurrent, Josephson effect, Condensed matter physics, Critical current, Vortex, Physics, Superconductivity, Penetration depth