paper

Phase Structure of 1d Interacting Floquet Systems I: Abelian SPTs

arXiv:1602.02157 · doi:10.1103/PhysRevB.93.245145

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 , where is the undriven interacting classification, and is a set of (twisted) 1d representations of . We will address symmetry broken phases in a subsequent paper.

21 pages. Explained connection to the classification schemes in other recent work. Close to published version

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