Time-resolved electrical detection of chiral edge vortex braiding

Inanc Adagideli, Fabian Hassler, Aurelien Grabsch, Michal Pacholski, Carlo W. J. Beenakker

Research output: Contribution to journalArticleAcademicpeer-review

3 Citations (Scopus)

Abstract

A 2π2π phase shift across a Josephson junction in a topological superconductor injects vortices into the chiral edge modes at opposite ends of the junction. When two vortices are fused they transfer charge into a metal contact. We calculate the time dependent current profile for the fusion process, which consists of ±e/2±e/2 charge pulses that flip sign if the world lines of the vortices are braided prior to the fusion. This is an electrical signature of the non-Abelian exchange of Majorana zero-modes.
Original languageEnglish
JournalSciPost Physics
Volume8
Issue number013
DOIs
Publication statusPublished - 29 Jan 2020
Externally publishedYes

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