Localized mode interactions in 0-π Josephson junctions

Hadi Susanto, Gianne Derks

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

A long Josephson junction containing regions with a phase shift of π 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. Multimode approximations are derived confirming the numerical results.

Original languageBritish English
Article number132301
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume82
Issue number13
DOIs
StatePublished - 13 Oct 2010

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