Speaker
Johan Nilsson
(University of Gothenburg)
Description
We study a Fabry-Perot interferometer made out of magnetic
and superconducting regions on the surface state of a 3D
topological insulator. In particular we investigate the possibility
of transferring a chiral edge Majorana fermion between two
counter-propagating edges by the tunneling of two
superconducting vortices across the superconducting region.
This process is potentially useful for topological charge
measurement.