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Coherence effects in double-barrier Josephson junctions

A. Brinkman, A. A. Golubov

DOI 10.1103/PhysRevB.61.11297 · Physical Review B

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Abstract

The general solution for ballistic electronic transport through double-barrier Josephson junctions is derived. We show the existence of a regime of phase-coherent transport in which the supercurrent is proportional to the single-barrier transparency and the way in which this coherence is destroyed for increasing interlayer thickness. The quasiparticle dc current at arbitrary voltage is determined.

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Al

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