SKM 2023 – scientific programme
Parts | Days | Selection | Search | Updates | Downloads | Help
TT: Fachverband Tiefe Temperaturen
TT 8: Yu-Shiba-Rusinov Systems
TT 8.5: Talk
Monday, March 27, 2023, 16:15–16:30, HSZ 103
Mn clusters on superconducting Ta(110) surface — •András Lászlóffy1, Bendegúz Nyári2,3, László Szunyogh2, and Balázs Újfalussy1 — 1Wigner Research Centre for Physics, Budapest, Hungary — 2Budapest University of Technology and Economics, Budapest, Hungary — 3ELKH-BME Condensed Matter Physics Research Group, Hungary
Over the past decade, the formation of Yu-Shiba-Rusinov (YSR) states around magnetic impurities proximity coupled to superconducting materials raised considerable interest. The hybridization between these states leads to bands in magnetic chains being potential candidates for hosting Majorana edge states. In this work we solve the Bogoliubov-de Gennes equation as implemented in the first-principles Korringa-Kohn-Rostoker Green's function method. First, we provide an in-depth analysis of the YSR states of a single Mn adatom on Ta(110), and the hybridization between them in Mn dimers. We then study the formation of a minigap and zero energy states in chains with various directions and nearest-neighbor distances, making a strong implication that Majorana zero modes can emerge in these systems.