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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 Rex^2,3, and Markus Garst¹ — ¹Karlsruhe 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