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Quest for topological superconductivity at superconductor-semiconductor interfaces
S. M. Frolov, M. J. Manfra, J. D. Sau
We analyze the evidence of Majorana zero modes in nanowires that came from tunneling spectroscopy and other experiments, and scout the path to topologically protected states that a…
Parity-preserving and magnetic field resilient superconductivity in indium antimonide nanowires with tin shells
M. Pendharkar, B. Zhang, H. Wu +14
We study bottom-up grown semiconductor indium antimonide nanowires that are coated with shells of tin. The shells are uniform in thickness. The interface between Sn and InSb is abr…
Erasing odd-parity states in semiconductor quantum dots coupled to superconductors
Z. Su, R. Zitko, P. Zhang +9
Quantum dots are gate-defined within InSb nanowires, in proximity to NbTiN superconducting contacts. As the coupling between the dot and the superconductor is increased, the odd-pa…
Zero-energy pinning of topologically-trivial bound states in multi-band semiconductor-superconductor nanowires
Benjamin D. Woods, Jun Chen, Sergey M. Frolov +1
Recent tunneling conductance measurements on semiconductor-superconductor nanowires find zero-bias peaks to be ubiquitous across wide ranges of chemical potential and Zeeman energy…
Ubiquitous non-Majorana Zero-Bias Conductance Peaks in Nanowire Devices
Jun Chen, Benjamin Woods, Peng Yu +6
We perform tunneling measurements on indium antimonide nanowire/superconductor hybrid devices fabricated for the studies of Majorana bound states. At finite magnetic field, resonan…