Light-cone-like spreading of correlations in a quantum many-body system

@article{Cheneau2012LightconelikeSO,
  title={Light-cone-like spreading of correlations in a quantum many-body system},
  author={Marc Cheneau and Peter Barmettler and Dario Poletti and M Endres and Peter Schau{\ss} and Takeshi Fukuhara and Christian Gross and Immanuel Bloch and Corinna Kollath and Stefan Kuhr},
  journal={Nature},
  year={2012},
  volume={481},
  pages={484-487}
}
  • Marc Cheneau, Peter Barmettler, +7 authors Stefan Kuhr
  • Published in Nature 2012
  • Medicine, Physics
  • In relativistic quantum field theory, information propagation is bounded by the speed of light. No such limit exists in the non-relativistic case, although in real physical systems, short-range interactions may be expected to restrict the propagation of information to finite velocities. The question of how fast correlations can spread in quantum many-body systems has been long studied. The existence of a maximal velocity, known as the Lieb–Robinson bound, has been shown theoretically to exist… CONTINUE READING

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