High-temperature spin dynamics in the Heisenberg chain: Magnon propagation and emerging KPZ-scaling in the zero-magnetization limit

14 Jan 2020 Weiner Felix Schmitteckert Peter Bera Soumya Evers Ferdinand

The large-scale dynamics of quantum integrable systems is often dominated by ballistic modes due to the existence of stable quasi-particles. We here consider as an archetypical example for such a system the spin-$\frac{1}{2}$ XXX Heisenberg chain that features magnons and their bound states... (read more)

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  • STATISTICAL MECHANICS
  • STRONGLY CORRELATED ELECTRONS