Time-resolved electrical detection of chiral edge vortex braiding
Adagideli, İnanç and Hassler, Fabian and Grabsch, Aurelien and Pacholski, Michal and Beenakker, Carlo W. J. (2020) Time-resolved electrical detection of chiral edge vortex braiding. SciPost Physics, 8 (1). ISSN 2542-4653
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Official URL: http://dx.doi.org/10.21468/SciPostPhys.8.1.013
A 2 pi 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 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.
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