Phase Structure of Driven Quantum Systems

Vedika Khemani, Achilleas Lazarides, Roderich Moessner, Shivaji Lal Sondhi

Research output: Contribution to journalArticlepeer-review

399 Scopus citations

Abstract

Clean and interacting periodically driven systems are believed to exhibit a single, trivial "infinite-temperature" Floquet-ergodic phase. In contrast, here we show that their disordered Floquet many-body localized counterparts can exhibit distinct ordered phases delineated by sharp transitions. Some of these are analogs of equilibrium states with broken symmetries and topological order, while others - genuinely new to the Floquet problem - are characterized by order and nontrivial periodic dynamics. We illustrate these ideas in driven spin chains with Ising symmetry.

Original languageEnglish (US)
Article number250401
JournalPhysical review letters
Volume116
Issue number25
DOIs
StatePublished - Jun 21 2016

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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