Free Fermions Violate the Area Law For Entanglement Entropy
High Energy Physics - Theory
2015-05-18 v1
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.
Cite
@article{arxiv.1002.3306,
title = {Free Fermions Violate the Area Law For Entanglement Entropy},
author = {Robert C. Helling and Wolfgang Spitzer},
journal= {arXiv preprint arXiv:1002.3306},
year = {2015}
}
Comments
Proceedings of the 9th Hellenic School on Elementary Particle Physics and Gravity, Corfu 2009. 4 pages