Lieb-Robinson Bounds and the Exponential Clustering Theorem
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Lieb-Robinson Bounds and the Exponential Clustering Theorem

  • Author(s): Nachtergaele, Bruno
  • Sims, Robert
  • et al.

Published Web Location

https://arxiv.org/pdf/math-ph/0506030.pdf
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Abstract

We give a Lieb-Robinson bound for the group velocity of a large class of discrete quantum systems which can be used to prove that a non-vanishing spectral gap implies exponential clustering in the ground state of such systems.

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