Gap between holographic and quantum mechanical extreme rays of the subadditivity cone
Abstract
We show via explicit construction that for six or more parties, there exist extreme rays of the subadditivity cone that can be realized by quantum states, but not by holographic states. This is a counterexample to a conjecture first formulated in Hernández-Cuenca et al. [The holographic entropy cone from marginal independence, J. High Energy Phys. 09 (2022) 190.], and implies the existence of deep holographic constraints that restrict the allowed patterns of independence among various subsystems beyond the universal quantum mechanical restrictions.
Copyright and License
Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.
Funding
Funded by SCOAP3.
Acknowledgement
Files
PhysRevD.109.L041901.pdf
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Additional details
Identifiers
- ISSN
- 2470-0029
Funding
- SCOAP3
- Heising-Simons Foundation
- 2021-2817
- United States Department of Energy
- DE-SC0011632
- Walter Burke Institute for Theoretical Physics
- United States Department of Energy
- DE-SC0009999
- University of California System