title   
  

Deterministic creation and braiding of chiral edge vortices

Beenakker, C. W. J. and Baireuther, P. and Herasymenko, Y. and Adagideli, İnanç and Wang, Lin and Akhmerov, A. R. (2019) Deterministic creation and braiding of chiral edge vortices. Physical Review Letters, 122 (14). ISSN 0031-9007 (Print) 1079-7114 (Online)

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Official URL: http://dx.doi.org/10.1103/PhysRevLett.122.146803

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 arc anyons with non-Abelian braiding statistics, but when they arc 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 (pi-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.

Item Type:Article
Subjects:Q Science > QC Physics
Q Science > QC Physics > QC176-176.9 Solids. Solid state physics
ID Code:38367
Deposited By:İnanç Adagideli
Deposited On:26 Aug 2019 22:42
Last Modified:26 Aug 2019 22:42

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