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arXiv · 1009.5922

Localized mode interactions in 0-pi Josephson junctions

H. Susanto·G. Derks
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Abstract

A long Josephson junction containing regions with a phase shift of pi is considered. By exploiting the defect modes due to the discontinuities present in the system, it is shown that Josephson junctions with phase-shift can be an ideal setting for studying localized mode interactions. A phase-shift configuration acting as a double-well potential is considered and shown to admit mode tunnelings between the wells. When the phase-shift configuration is periodic, it is shown that localized excitations forming bright and dark solitons can be created. Multi-mode approximations are derived confirming the numerical results.

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H. Susanto, G. Derks. 2010-09-29. Localized mode interactions in 0-pi Josephson junctions. https://doi.org/10.1103/physrevb.82.132301

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