Squashed Entanglement from Generalized Rindler Wedge
Abstract
We investigate the bipartite and multipartite quantum entanglement structure in gravity and the dual holographic field theory based on the generalized Rindler wedge formalism. We deduce a separation theorem, which asserts that for subregions satisfying a certain geometric condition, the bipartite/multipartite squashed entanglement or the conditional entanglement of multipartite information vanishes, indicating that these subregions represent separable states with no quantum entanglement among them. We interpret this fact from the observer perspective in gravity and show how to probe the entanglement structure further in this framework by introducing a time cutoff in the gravitational spacetime. We also present the corresponding dual boundary field theory interpretation.
Cite
@article{arxiv.2310.09799,
title = {Squashed Entanglement from Generalized Rindler Wedge},
author = {Xin-Xiang Ju and Bo-Hao Liu and Wen-Bin Pan and Ya-Wen Sun and Yuan-Tai Wang},
journal= {arXiv preprint arXiv:2310.09799},
year = {2025}
}
Comments
50 pages, 13 figures, major revised, match the published version