Theory of anomalous magnetic interference pattern in mesoscopic SNS Josephson junctions

Details Theory of anomalous magnetic interference pattern in mesoscopic SNS Josephson junctions Theory of anomalous magnetic interference pattern in mesoscopic SNS Josephson junctions

2003-01-28

arxiv.org/abs/cond-mat/0301534v2

Physics

Condensed Matter

Superconductivity

6 pages, 5 figures. Phys. Rev. B 68, 144514 (2003)

Scientific paper

10.1103/PhysRevB.68.144514

The magnetic interference pattern in mesoscopic SNS Josephson junctions is sensitive to the scattering in the normal part of the system. In this paper we investigate it, generalizing Ishii's formula for current-phase dependence to the case of normal scattering at NS boundaries in an SNS junction of finite width. The resulting flattening of the first diffraction peak is consistent with experimental data for S-2DEG-S mesoscopic junctions.

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