Nonlinear entanglement growth in inhomogeneous space-times

@article{Kosior2020NonlinearEG,
  title={Nonlinear entanglement growth in inhomogeneous space-times},
  author={Arkadiusz Kosior and Markus Heyl},
  journal={arXiv: Statistical Mechanics},
  year={2020}
}
Entanglement has become central for the characterization of quantum matter both in and out of equilibrium. In a dynamical context entanglement exhibits universal linear temporal growth in generic systems, which stems from the underlying linear light cones as they occur in planar geometries. Inhomogeneous spacetimes can lead, however, to strongly bent trajectories. While such bent trajectories crucially impact correlation spreading and therefore the light-cone structure, it has remained elusive… 

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