Deterministic Creation and Braiding of Chiral Edge Vortices

C.W.J. Beenakker, P. Baireuther, Y. Herasymenko, I Adagideli, Lin Wang, A. R. Akhmerov

Research output: Contribution to journalArticleAcademicpeer-review

21 Citations (Scopus)

Abstract

Majorana zero modes in a superconductor are midgap states localized in the core of a vortex or bound to the end of a nanowire. They are anyons with non-Abelian braiding statistics, but when they are immobile one cannot demonstrate this by exchanging them in real space and indirect methods are needed. As a real-space alternative, we propose to use the chiral motion along the boundary of the superconductor to braid a mobile vortex in the edge channel with an immobile vortex in the bulk. The measurement scheme is fully electrical and deterministic: edge vortices (π-phase domain walls) are created on demand by a voltage pulse at a Josephson junction and the braiding with a Majorana zero mode in the bulk is detected by the charge produced upon their fusion at a second Josephson junction.
Original languageEnglish
Article number146803
JournalPhysical review letters
Volume122
Issue number14
DOIs
Publication statusPublished - 11 Apr 2019
Externally publishedYes

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