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Entropy 2016, 18(7), 240;

When Is an Area Law Not an Area Law?

Perimeter Institute, 31 Caroline Street North, Waterloo, ON N2L 2Y5, Canada
Department of Physics, University of Washington, Seattle, WA 98195-1560, USA
Department of Physics, Syracuse University, Syracuse, NY 13244-1130, USA
Author to whom correspondence should be addressed.
Academic Editor: David Kubiznak
Received: 12 April 2016 / Revised: 8 June 2016 / Accepted: 14 June 2016 / Published: 24 June 2016
(This article belongs to the Special Issue Black Hole Thermodynamics II)
Full-Text   |   PDF [280 KB, uploaded 24 June 2016]   |  


Entanglement entropy is typically proportional to area, but sometimes it acquires an additional logarithmic pre-factor. We offer some intuitive explanations for these facts. View Full-Text
Keywords: entanglement entropy; area law; Fermi surface; quantum field theory; free fields entanglement entropy; area law; Fermi surface; quantum field theory; free fields

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Chandran, A.; Laumann, C.; Sorkin, R.D. When Is an Area Law Not an Area Law? Entropy 2016, 18, 240.

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