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Berlin 2024 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 57: Topology: Poster

TT 57.13: Poster

Mittwoch, 20. März 2024, 15:00–18:00, Poster E

Majorana Chains using 2π Domain Walls — •Daniel Hauck1, Stefan Rex2,3, and Markus Garst11Karlsruhe Institute of Technology, Institute for Theoretical Solid State Physics, Wolfgang-Gaede-Str. 1, 76131 Karlsruhe — 2Institute for Quantum Materials and Technologies, Karlsruhe Institute of Technology, 76021 Karlsruhe, Germany — 3Institute for Theoretical Condensed Matter Physics, Karlsruhe Institute of Technology, 76131 Karlsruhe

Superconductor-magnet hybrid structures provide a platform for investigating topological phases with localized Majorana states. Such states have previously been predicted in the presence of elongated Skyrmions in the magnetic layer. Here, we consider 2π domain walls that can be easily controlled experimentally. We show that Majorana states can occur in these systems and discuss the possibility of building Majorana chains using a sequence of 2π domain walls.

Keywords: majorana; hybrid; magnet; superconductor; topology

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