Entanglement Entropy of Conformal Field Theory in All Dimensions
High Energy Physics - Theory
2026-01-06 v3 General Relativity and Quantum Cosmology
Abstract
We provide a field-theoretic method to calculate entanglement entropy of CFT in all dimensions. This method works for entangling surfaces of arbitrary shape. The formalism manifests a field-theoretic proof of the Ryu-Takayanagi formula.
Keywords
Cite
@article{arxiv.2506.02786,
title = {Entanglement Entropy of Conformal Field Theory in All Dimensions},
author = {Xin Jiang and Haitang Yang},
journal= {arXiv preprint arXiv:2506.02786},
year = {2026}
}
Comments
V3: modified fig3 and rewrote sec V. V2: Substantially improved for readability. Some clarifications made. 14 pages, 6 figures