Nature Communications (Jul 2017)

Spin diffusion from an inhomogeneous quench in an integrable system

  • Marko Ljubotina,
  • Marko Žnidarič,
  • Tomaž Prosen

DOI
https://doi.org/10.1038/ncomms16117
Journal volume & issue
Vol. 8, no. 1
pp. 1 – 6

Abstract

Read online

The anisotropic Heisenberg model is integrable, possessing a macroscopic number of conserved quantities that constrain the many-body dynamics. Here the authors show numerically that, despite its integrability, it can exhibit diffusive and, at the isotropic point, super-diffusive behaviour.