Bulletin of the American Physical Society
2018 Annual Meeting of the APS Four Corners Section
Volume 63, Number 16
Friday–Saturday, October 12–13, 2018; University of Utah, Salt Lake City, Utah
Session G01: Poster Session
5:00 PM,
Friday, October 12, 2018
CSC
Room: 205/206
Chair: David Kieda, University of Utah
Abstract ID: BAPS.2018.4CS.G01.41
Abstract: G01.00041 : Search for Majorana zero modes in a triangulartopological superconductor island
Presenter:
Aidan C Winblad
(Colorado State University)
Authors:
Aidan C Winblad
(Colorado State University)
Hua Chen
(Colorado State Univ)
ations on Majorana zero modes for topological quantum computation, we study
the connection between 0D and 1D Majorana modes in a triangular island of a
model topological superconductor. Using the mean-field Bogoliubov-de Gennes
theory, we solve a tight-binding model with Rashba spin-orbit coupling, out-of-
plane Zeeman field, and s-wave pairing, on an equilateral triangle, which can
host chiral Majorana edge modes. By applying an additional in-plane Zeeman
field, we are able to break the three-fold rotation symmetry of the model and
effectively change both the energy and the real space profile of the discrete
Majorana edge modes. In particular, we study the spectral flow of the Majo-
rana edge modes as a function of the in-plane Zeeman field, and identify the
conditions which can lead to well-isolated Majorana zero modes.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.4CS.G01.41
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