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arxiv: 1803.07900 · v1 · pith:C5L6RQBUnew · submitted 2018-03-21 · ❄️ cond-mat.supr-con · cond-mat.mes-hall

Josephson Current in Rashba-based Superconducting Nanowires with Geometric Misalignment

classification ❄️ cond-mat.supr-con cond-mat.mes-hall
keywords nanowirescurrentfieldgeometricinterfacejosephsonmisalignmentrashba-based
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We investigate the properties of a weak link between two Rashba-based superconducting nanowires with geometric misalignment. By applying an external magnetic field the system can be driven into a topological non-trivial regime. We demonstrate that the Josephson current can be modulated in amplitude and sign through the variation of the applied field and, remarkably, via the angle controlling the spin-orbit locking mismatch at the interface of the nanowires. The proposed setup with misaligned coplanar nanowires provides the building block configuration for the manipulation of coherent transport via geometric-controlled mixing/splitting of interface states.

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