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Entropy 2016, 18(7), 240; doi:10.3390/e18070240

When Is an Area Law Not an Area Law?

1
Perimeter Institute, 31 Caroline Street North, Waterloo, ON N2L 2Y5, Canada
2
Department of Physics, University of Washington, Seattle, WA 98195-1560, USA
3
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)
View Full-Text   |   Download PDF [280 KB, uploaded 24 June 2016]   |  

Abstract

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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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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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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