Nature Communications (Jun 2017)

Pumping approximately integrable systems

  • Florian Lange,
  • Zala Lenarčič,
  • Achim Rosch

DOI
https://doi.org/10.1038/ncomms15767
Journal volume & issue
Vol. 8, no. 1
pp. 1 – 8

Abstract

Read online

Integrable models have an infinite number of conserved quantities but most realizations suffer from integrability breaking perturbations. Here the authors show that weakly driving such a system by periodic perturbations leads to large nonlinear responses governed by the approximate conservation laws.