Lieb-Robinson Bounds and the Exponential Clustering Theorem
classification
🧮 math-ph
cond-mat.stat-mechmath.MP
keywords
clusteringexponentiallieb-robinsonsystemsboundboundsclassdiscrete
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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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