Print Email Facebook Twitter Effects of the electrostatic environment on the Majorana nanowire devices Title Effects of the electrostatic environment on the Majorana nanowire devices Author Vuik, A. Eeltink, D. Akhmerov, A.R. Wimmer, M.T. Faculty Applied Sciences Department QN/Quantum Nanoscience Date 2016-03-07 Abstract One of the promising platforms for creating Majorana bound states is a hybrid nanostructure consisting of a semiconducting nanowire covered by a superconductor.Weanalyze the previously disregarded role of electrostatic interaction in these devices. Our main result is that Coulomb interaction causes the chemical potential to respond to an applied magnetic field, while spin–orbit interaction and screening by the superconducting lead suppress this response. Consequently, the electrostatic environment influences two properties of Majorana devices: the shape of the topological phase boundary and the oscillations of the Majorana splitting energy.Wedemonstrate that both properties show a non-universal behavior, and depend on the details of the electrostatic environment. We show that when the wire only contains a single electron mode, the experimentally accessible inverse self-capacitance of this mode fully captures the interplay between electrostatics and Zeeman field. This offers a way to compare theoretical predictions with experiments. Subject Majorana zero modessemiconducting nanowireselectrostaticssemiconductor–superconductor heterostructures To reference this document use: http://resolver.tudelft.nl/uuid:91d0ff77-d7d8-40f5-ade2-fbe338babbbd Publisher IOP Publishing ISSN 1367-2630 Source https://doi.org/10.1088/1367-2630/18/3/033013 Source New Journal of Physics, 18 (3), 2016 Part of collection Institutional Repository Document type journal article Rights (c) 2016 Creative Commons Attribution 3.0 licence - CC BY Files PDF 329898.pdf 2.85 MB Close viewer /islandora/object/uuid:91d0ff77-d7d8-40f5-ade2-fbe338babbbd/datastream/OBJ/view