Quantum quench of the Sachdev-Ye-Kitaev model

  title={Quantum quench of the Sachdev-Ye-Kitaev model},
  author={A. Eberlein and V. Kasper and S. Sachdev and Julia Steinberg},
  journal={Physical Review B},
  • A. Eberlein, V. Kasper, +1 author Julia Steinberg
  • Published 2017
  • Physics
  • Physical Review B
  • We describe the non-equilibrium dynamics of the Sachdev-Ye-Kitaev models of fermions with all-to-all interactions. These provide tractable models of the dynamics of quantum systems without quasiparticle excitations. The Kadanoff-Baym equations show that the final state is thermal, and their numerical analysis appears consistent with a thermalization rate proportional to the absolute temperature of the final state. We also obtain an exact analytic solution of the non-equilibrium dynamics in the… CONTINUE READING
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