Subgap-state-mediated transport in superconductor--semiconductor hybrid
islands: Weak and strong coupling regimes
Subgap-state-mediated transport in superconductor--semiconductor hybrid
islands: Weak and strong coupling regimes
Superconductor-semiconductor hybrid systems play a crucial role in realizing nanoscale quantum devices, including hybrid qubits, Majorana bound states, and Kitaev chains. For such hybrid devices, subgap states play a prominent role in their operation. In this work, we study such subgap states via Coulomb and tunneling spectroscopy through a superconducting …