Chirality of topological gap solitons in bosonic dimer chains

Abstract

We study gap solitons which appear in the topological gap of 1D bosonic dimer chains within the mean-field approximation. We find that such solitons have a non-trivial texture of the sublattice pseudospin. We reveal their chiral nature by demonstrating the anisotropy of their behavior in presence of a localized energy potential.

References in corpus (5)

• Topological Photonics
• Measuring the Chern number of Hofstadter bands with ultracold bosonic atoms
• Structural defects in ion crystals by quenching the external potential: the inhomogeneous Kibble-Zurek mechanism
• Topological Bogoliubov excitations in inversion-symmetric systems of interacting bosons
• Phase spectroscopy of topological invariants in photonic crystals

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