Floquet topological insulators
CAYSSOL, Jérôme
Laboratoire Ondes et Matière d'Aquitaine [LOMA]
Max Planck Institute for the Physics of Complex Systems [MPI-PKS]
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Laboratoire Ondes et Matière d'Aquitaine [LOMA]
Max Planck Institute for the Physics of Complex Systems [MPI-PKS]
CAYSSOL, Jérôme
Laboratoire Ondes et Matière d'Aquitaine [LOMA]
Max Planck Institute for the Physics of Complex Systems [MPI-PKS]
< Reduce
Laboratoire Ondes et Matière d'Aquitaine [LOMA]
Max Planck Institute for the Physics of Complex Systems [MPI-PKS]
Language
en
Article de revue
This item was published in
physica status solidi (RRL) - Rapid Research Letters. 2013-02, vol. 7, n° 1-2, p. 101-108
Wiley-VCH Verlag
English Abstract
Topological insulators represent unique phases of matter with insulating bulk and conducting edge or surface states, immune to small perturbations such as backscattering due to disorder. This stems from their peculiar band ...Read more >
Topological insulators represent unique phases of matter with insulating bulk and conducting edge or surface states, immune to small perturbations such as backscattering due to disorder. This stems from their peculiar band structure, which provides topological protections. While conventional tools (pressure, doping etc.) to modify the band structure are available, time periodic perturbations can provide tunability by adding time as an extra dimension enhanced to the problem. In this short review, we outline the recent research on topological insulators in non equilibrium situations. Firstly, we introduce briefly the Floquet formalism that allows to describe steady states of the electronic system with an effective time-independent Hamiltonian. Secondly, we summarize recent theoretical work on how light irradiation drives semi-metallic graphene or a trivial semiconducting system into a topological phase. Finally, we show how photons can be used to probe topological edge or surface states.Read less <
English Keywords
topological insulators
spin-Hall effect
Floquet theory
European Project
TOPOLOGICAL EFFECTS IN MATTER WITH STRONG SPIN-ORBIT COUPLING
Spin dynamics and transport at the quantum edge in low dimensional nanomaterials
Spin dynamics and transport at the quantum edge in low dimensional nanomaterials
ANR Project
Transport électronique dans les isolants topologiques - ANR-10-BLAN-0419
Origin
Hal imported