Nonlocal signatures of hybridization between quantum dot and Andreev bound states

We investigate local and nonlocal signatures of hybridization between a quantum dot (QD) state and an extended Andreev bound state (ABS) in a gate-defined InAs nanowire (NW) with multiple side probes. When a QD in one of the side probes was hybridized with an ABS in the NW, a characteristic spectroscopic pattern was observed both locally, i.e., in the probe with the QD, and nonlocally, in the tunnel conductance of a remote probe. Nonlocal signatures of hybridization reveal the extended nature of the ABS.

Automated summary

In this study, local and nonlocal signatures of the hybridization between a quantum dot state and an extended Andreev bound state in a gate-defined InAs nanowire with multiple side probes were investigated. The characteristic spectroscopic pattern resulting from the hybridization was observed both locally, in the probe with the quantum dot, and nonlocally, in the tunnel conductance of a remote probe. The nonlocal signatures revealed the extended nature of the Andreev bound state.