Spin diffusion from an inhomogeneous quench in an integrable system
Marko Ljubotina, Marko Žnidarič, Tomaž Prosen
Nature Communications · 2017
doi:10.1038/ncomms16117 (opens in a new tab)
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Abstract
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.
Abstract licence: CC BY-NC-ND
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