Title:
Magnus effect on a Majorana zero mode
Author(s):
Lemut, Gal; Pacholski, M. J.; Plugge, S.; Beenakker, C. W. J.; Adagideli, İ.
Year of publication:
2023
Available Date:
2024-04-18T12:10:49Z
Abstract:
A supercurrent on the proximitized surface of a topological insulator can cause a delocalization transition of a Majorana fermion bound to a vortex core as a zero mode. Here we study the dynamics of the deconfinement, as a manifestation of the Magnus effect (the coupling of the superflow to the velocity field in the vortex). The initial acceleration of the Majorana fermion is ±2v2FK/ℏ, perpendicular to the Cooper pair momentum K, for a ±2π winding of the superconducting phase around the vortex. The quasiparticle escapes with a constant velocity from the vortex core, which we calculate in a semiclassical approximation and compare with computer simulations.
Part of Identifier:
ISSN (print): 2469-9950
e-ISSN (online): 2469-9969
Keywords:
Majorana bound states
Topological insulators
Topological superconductors
Vortex lattices
Lattice models in condensed matter
DDC-Classification:
539 Moderne Physik
Publication Type:
Wissenschaftlicher Artikel
URL of the Original Publication:
DOI of the Original Publication:
Journal Volume:
107 (2023)
Journaltitle:
Physical Review B
Publisher:
American Physical Society
Publisher Place:
College Park, MD
Department/institution:
Physik
Institut für Theoretische Physik