TY  - CONF
AU  - Rüssmann, Philipp
TI  - Density-functional description of materials for topological qubits and superconducting spintronics
M1  - FZJ-2024-00089
PY  - 2023
AB  - Interfacing superconductors with magnetic or topological materials offers a playground where novel phenomena like topological superconductivity, Majorana zero modes, or superconducting spintronics are emerging. In this work, we discuss recent developments in the Kohn-Sham Bogoliubov-de Gennes method, which allows to perform material-specific simulations of complex superconducting heterostructures on the basis of density functional theory. As a model system we study magnetically-doped Pb. In our analysis we focus on the interplay of magnetism and superconductivity. This combination leads to Yu-Shiba-Rusinov (YSR) in-gap bound states at magnetic defects and the breakdown of superconductivity at larger impurity concentrations. Moreover, the influence of spin-orbit coupling and on orbital splitting of YSR states as well as the appearance of a triplet component in the order parameter is discussed. These effects can be exploited in S/F/S-type devices (S=superconductor, F=ferromagnet) in the field of superconducting spintronics.
T2  - SPIE Nanoscience + Engineering
CY  - 20 Aug 2023 - 25 Aug 2023, San Diego, California (United States)
Y2  - 20 Aug 2023 - 25 Aug 2023
M2  - San Diego, California, United States
LB  - PUB:(DE-HGF)6
UR  - https://juser.fz-juelich.de/record/1020356
ER  -