Robust and Fragile Majorana Bound States in Proximitized Topological Insulator Nanoribbons
Robust and Fragile Majorana Bound States in Proximitized Topological Insulator Nanoribbons
Topological insulator (TI) nanoribbons with proximity-induced superconductivity are a promising platform for Majorana bound states (MBSs). In this work, we consider a detailed modeling approach for a TI nanoribbon in contact with a superconductor via its top surface, which induces a superconducting gap in its surface-state spectrum. The system displays …