Equilibration and order in quantum Floquet matter

R. Moessner, Shivaji Lal Sondhi

Research output: Contribution to journalArticlepeer-review

187 Scopus citations


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 €-spin glass/Floquet time crystal.

Original languageEnglish (US)
Pages (from-to)424-428
Number of pages5
JournalNature Physics
Issue number5
StatePublished - May 3 2017

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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