Topological Floquet Phases in Driven Coupled Rashba Nanowires

Jelena Klinovaja, Peter Stano, and Daniel Loss
Phys. Rev. Lett. 116, 176401 – Published 28 April 2016
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Abstract

We consider periodically driven arrays of weakly coupled wires with conduction and valence bands of Rashba type and study the resulting Floquet states. This nonequilibrium system can be tuned into nontrivial phases such as topological insulators, Weyl semimetals, and dispersionless zero-energy edge mode regimes. In the presence of strong electron-electron interactions, we generalize these regimes to the fractional case, where elementary excitations have fractional charges e/m with m being an odd integer.

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  • Received 13 October 2015

DOI:https://doi.org/10.1103/PhysRevLett.116.176401

© 2016 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

Jelena Klinovaja1, Peter Stano2,3, and Daniel Loss1,2

  • 1Department of Physics, University of Basel, Klingelbergstrasse 82, CH-4056 Basel, Switzerland
  • 2RIKEN Center for Emergent Matter Science, Wako, Saitama 351-0198, Japan
  • 3Institute of Physics, Slovak Academy of Sciences, 845 11 Bratislava, Slovakia

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Issue

Vol. 116, Iss. 17 — 29 April 2016

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