Magnetoconductance, Quantum Hall Effect, and Coulomb Blockade in Topological Insulator Nanocones

31 Mar 2020 Kozlovsky Raphael Graf Ansgar Kochan Denis Richter Klaus Gorini Cosimo

Magnetotransport through cylindrical topological insulator (TI) nanowires is governed by the interplay between quantum confinement and geometric (Aharonov-Bohm and Berry) phases. Here, we argue that the much broader class of TI nanowires with varying radius -- for which a homogeneous coaxial magnetic field induces a varying Aharonov-Bohm flux that gives rise to a non-trivial mass-like potential along the wire -- is accessible by studying its simplest member, a TI nanocone... (read more)

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