Floquet States

Abstract

Quantum systems driven by a time-periodic field are a platform of condensed matter physics where effective (quasi)stationary states, termed "Floquet states", can emerge with external-field-dressed quasiparticles during driving. They appear, for example, as a prethermal intermediate state in isolated driven quantum systems or as a nonequilibrium steady state in driven open quantum systems coupled to environment. Floquet states may have various intriguing physical properties, some of which can be drastically different from those of the original undriven systems in equilibrium. In this article, we review fundamental aspects of Floquet states, and discuss recent topics and applications of Floquet states in condensed matter physics.

12 pages, 6 figures, prepared for Encyclopedia of Condensed Matter Physics, 2nd edition; minor revision is made

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Cited by in corpus (5)

• Non-Hermitian Floquet Topological Matter -- A Review
• Krylov construction and complexity for driven quantum systems
• Floquet theory and applications in open quantum and classical systems
• Detecting the $\pi$-axiverse through parametric resonance
• Long term behavior of the stirred vacuum on a Dirac chain: geometry blur and the random Slater ensemble