Corner contributions to holographic entanglement entropy in non-conformal backgrounds
High Energy Physics - Theory
2015-10-28 v2
Abstract
We study corner contributions to holographic entanglement entropy in non-conformal backgrounds: a kink for D2-branes as well as a cone and two different types of crease for D4-branes. Unlike 2+1-dimensional CFTs, the corner contribution to the holographic entanglement entropy of D2-branes exhibits a power law behaviour rather than a logarithmic term. However, the logarithmic term emerges in the holographic entanglement entropy of D4-branes. We identify the logarithmic term for a cone in D4-brane background as the universal contribution under appropriate limits and compare it with other physical quantities.
Keywords
Cite
@article{arxiv.1506.07979,
title = {Corner contributions to holographic entanglement entropy in non-conformal backgrounds},
author = {Da-Wei Pang},
journal= {arXiv preprint arXiv:1506.07979},
year = {2015}
}
Comments
25 pages, 1 figure, discussions in section 5.2 improved, typos corrected and references added