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Gap between holographic and quantum mechanical extreme rays of the subadditivity cone

Journal Article · · Physical Review. D.
 [1];  [2];  [3]
  1. California Institute of Technology (CalTech), Pasadena, CA (United States)
  2. University of California, Davis, CA (United States)
  3. University of California, Davis, CA (United States); University of Amsterdam (The Netherlands)
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.
Research Organization:
California Institute of Technology (CalTech), Pasadena, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
SC0009999; SC0011632
OSTI ID:
2305753
Alternate ID(s):
OSTI ID: 2479764
Journal Information:
Physical Review. D., Journal Name: Physical Review. D. Journal Issue: 4 Vol. 109; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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