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Entanglement entropies in free-fermion gases for arbitrary dimension

✍ Scribed by Calabrese, P.; Mintchev, M.; Vicari, E.

Book ID
124157140
Publisher
EDP Sciences
Year
2012
Tongue
English
Weight
403 KB
Volume
97
Category
Article
ISSN
0295-5075

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## Abstract 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.