Phase structure of one-dimensional interacting Floquet systems. I. Abelian symmetry-protected topological phases

C. W. Von Keyserlingk, Shivaji Lal Sondhi

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Abstract

Recent work suggests that a sharp definition of "phase of matter" can be given for some quantum systems out of equilibrium, first for many-body localized systems with time-independent Hamiltonians and more recently for periodically driven or Floquet localized systems. In this work, we propose a classification of the finite Abelian symmetry-protected phases of interacting Floquet localized systems in one dimension. We find that the different Floquet phases correspond to elements of ClG×AG, where ClG is the undriven interacting classification, and AG is a set of (twisted) one-dimensional representations corresponding to symmetry group G. We will address symmetry-broken phases in a subsequent paper C. W. von Keyserlingk and S. L. Sondhi, following paper, Phys. Rev. B 93, 245146 (2016)PRBMDO1098-012110.1103/PhysRevB.93.245146.

Original languageEnglish (US)
Article number245145
JournalPhysical Review B
Volume93
Issue number24
DOIs
StatePublished - Jun 27 2016

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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