Time-resolved electrical detection of chiral edge vortex braiding
ORAL
Abstract
A $\bm{2\pi}$ 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 $\bm{\pm e/2}$ 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.
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 $\bm{\pm e/2}$ 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.
*This research was supported by the Netherlands Organization for Scientific Research (NWO/OCW) and by the European Research Council (ERC).
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Presenters
-
Inanc Adagideli
- Faculty of Engineering and Natural Sciences, Sabanci University
- Sabanci University