Methods for detecting charge fractionalization and winding numbers in an interacting fermionic ladder

We consider a spin-1/2 fermionic ladder with spin–orbit coupling and a perpendicular magnetic field, which shares important similarities with topological superconducting wires. We fully characterize the symmetry-protected topological phase of this ladder through the identification of fractionalized...

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Bibliographic Details
Main Authors: Leonardo Mazza, Monika Aidelsburger, Hong-Hao Tu, Nathan Goldman, Michele Burrello
Format: Article
Language:English
Published: IOP Publishing 2015-01-01
Series:New Journal of Physics
Subjects:
Online Access:https://doi.org/10.1088/1367-2630/17/10/105001