Konstantin Yavilberg, Eran Ginossar, Eytan Grosfeld
Published 2019-02-19Version 1
We investigate the low-energy theory of a topological insulator nanowire threaded with magnetic flux and coupled in proximity to a finite capacitance Josephson junction. Charge fluctuations across the junction couple to resonant microwave fields and can be used to probe microscopic excitations such as Majorana and Andreev bound states. We show that the hybridization between the localized excitations and the charge degree of freedom gives rise to key features in the spectroscopic patterns, which reveal the presence of Majorana fermions.
Comments: 9 pages, 3 figures
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