Statistical Majorana Bound State Spectroscopy

Abstract

Tunnel spectroscopy data for the detection of Majorana bound states (MBS) is often criticized for its proneness to misinterpretation of genuine MBS with low-lying Andreev bound states. Here, we suggest a protocol removing this ambiguity by extending single shot measurements to sequences performed at varying system parameters. We demonstrate how such sampling, which we argue requires only moderate effort for current experimental platforms, resolves the statistics of Andreev side lobes, thus providing compelling evidence for the presence or absence of a Majorana center peak.

arXiv comment9 pages, 5 figures

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Cited by in corpus (6)

• Majorana differential shot noise and its universal thermoelectric crossover
• Nonequilibrium finite frequency resonances in differential quantum noise driven by Majorana interference
• Thermoelectric fluctuations of interfering Majorana bound states
• Influence of disorder on antidot vortex Majorana states in 3D topological insulators
• Fluctuation response of a minimal Kitaev chain in nonequilibrium states
• Unveiling In-Gap States and Majorana Zero Modes in Superconductor-Topological Insulator Bilayer model