Time Evolution of Multi-Party Entanglement Signals
Abstract
We study the real-time dynamics of multi-party entanglement signals in chaotic quantum many-body systems including but not necessarily restricted to holographic conformal field theories. We find that scrambling dynamics generates multiparty entanglement with rich structure including: (a) qualitatively different dynamical behaviours for different signals, likely reflecting different dynamics for different kinds of entanglement patterns, (b) discontinuities indicating dynamical phase transitions in the entanglement structure, (c) transient and non-monotonic multiparty entanglement, and (d) periods during which the extensive entanglement of some regions is entirely multipartite. Our main technical tool is the membrane theory of entanglement dynamics.
Keywords
Cite
@article{arxiv.2511.16729,
title = {Time Evolution of Multi-Party Entanglement Signals},
author = {Vijay Balasubramanian and Hanzhi Jiang and Simon F. Ross},
journal= {arXiv preprint arXiv:2511.16729},
year = {2026}
}
Comments
34 pages + appendix, 23 figures. v2: improved discussions on the saturation of reflected entropy in finite adjacent intervals, added references