Free Fermions Violate the Area Law For Entanglement Entropy
classification
✦ hep-th
keywords
entanglemententropyareaassociatedbehaviourboundarycaseconjecture
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We show that the entanglement entropy associated to a region grows faster than the area of its boundary surface. This is done by proving a special case of a conjecture due to Widom that yields a surprisingly simple expression for the leading behaviour of the entanglement entropy.
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