Equilibration and order in quantum Floquet matter

By Roderich Moessner, Shiv Sondhi. Nature Physics, 2017

240 citations recorded by the source corpus.

Equilibrium thermodynamics is characterized by two fundamental ideas: thermalization—that systems approach a late time thermal state; and phase structure—that thermal states exhibit singular changes as various parameters characterizing the system are changed. We summarize recent progress that has established generalizations of these ideas to periodically driven, or Floquet, closed quantum systems. This has resulted in the discovery of entirely new phases which exist only out of equilibrium, such as the π-spin glass/Floquet time crystal. Over the past decade, remarkable progress has occurred in the physics of closed quantum systems away from equilibrium, culminating in the recent experimental realization of so-called time crystals. This Progress Article surveys these developments.

Subfields: Atomic and Molecular Physics, and Optics, Statistical and Nonlinear Physics

View Paper: https://www.semanticscholar.org/paper/cce183d43a6e7f2a6b4c9cfbfea717f9e60c491e

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In Atomic and Molecular Physics, and Optics

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Citations in the corpus

Perspective on topological states of non-Hermitian lattices (2019, background): “Issues such as thermalization [143] or even the”
Topological Phases of Non-Hermitian Systems (2018, background): “In fact, such a dynamical perspective has widely been adopted in the context of thermalization and many-body localization [120], as well as Floquet systems [121].”
Entanglement Spreading in a Minimal Model of Maximal Many-Body Quantum Chaos (2018, unknown): “This means that, due to its special structure, the model never displays Floquet-MBL [48, 61, 62].”
Fractons (2018, background): “Today, frameworks are being developed that encompass topological phases of matter [2], and new forms of quantum matter have been uncovered in non-equilibrium settings [3, 4].”
Topological bands for ultracold atoms (2018, unknown): “A striking example of such a “Floquet MBL” phase is the Floquet time crystal (Moessner and Sondhi, 2017).”