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TT: Fachverband Tiefe Temperaturen

TT 103: Transport: Poster Session

TT 103.50: Poster

Donnerstag, 19. März 2015, 15:00–18:00, Poster B

Majorana bound state coupled to helical edge states — •Daniel Frombach, Benedikt Probst, and Patrik Recher — Institut für Mathematische Physik, TU Braunschweig, 38106 Braunschweig, Germany

We investigate the coupling of a Majorana bound state (MBS) to helical edge states at the boundary of a two-dimensional topological insulator. We show that the transport properties of the helical edge states directly reflect the spin-direction of the MBS. We further investigate the reduced density matrix of a quantum bit built from four MBS coupled to helical edge states and discuss the influence of the different system parameters.