Numerical determination of entanglement entropy for a sphere

Lohmayer, R. and Neuberger, H. and Schwimmer, A. and Theisen, (2010) Numerical determination of entanglement entropy for a sphere. PHYSICS LETTERS B, 685 (2-3). pp. 222-227. ISSN 0370-2693, 1873-2445

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Abstract

We apply Srednicki's regularization to extract the logarithmic term in the entanglement entropy produced by tracing out a real, massless, scalar field inside a three-dimensional sphere in 3 + 1 flat spacetime. We find numerically that the coefficient of the logarithm is -1/90 to 0.2 percent accuracy, in agreement with an existing analytical result. (c) 2010 Published by Elsevier B.V.

Item Type: Article
Uncontrolled Keywords: ;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Theroretical Physics > Chair Professor Braun > Group Tilo Wettig
Depositing User: Dr. Gernot Deinzer
Date Deposited: 06 Aug 2020 05:18
Last Modified: 06 Aug 2020 05:18
URI: https://pred.uni-regensburg.de/id/eprint/25130

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