Floquet topological insulators

Understand

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.