24 August 2023
Mesoscale and Nanoscale Physics
Arnob Kumar Ghosh,
Ashis K. Nandy,
Proposes new heterostructure to generate Majorana corner modes using magnetic textures
Noncollinear magnetic texture induces effective fields to stabilize topological phase
Calculates phase diagrams and confirms presence of corner modes
Derives analytical model to understand microscopic origin of corner modes
Paves way for practical realization of higher order topological superconductors
Majorana corner modes from magnetic textures on superconductors
This paper proposes a new way to generate Majorana corner modes, which are promising for quantum computing applications, using a layered structure with a quantum spin Hall insulator between a superconductor and a noncollinear magnetic texture. The magnetic texture induces effective spin-orbit coupling and Zeeman fields to stabilize the higher order topological superconducting phase with Majorana corner modes.
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