English

Restricted Quantum Focusing

High Energy Physics - Theory 2023-10-25 v2 General Relativity and Quantum Cosmology

Abstract

Quantum Focusing is a powerful conjecture, which plays a key role in the current proofs of many well-known quantum gravity theorems, including various consistency conditions, and causality constraints in AdS/CFT. I conjecture a (weaker) restricted quantum focusing, which I argue is sufficient to derive all known essential implications of quantum focusing. Subject to a technical assumption, I prove this conjecture on brane-world semiclassical gravity theories which are holographically dual to Einstein gravity in a higher dimensional anti-de Sitter spacetime.

Keywords

Cite

@article{arxiv.2212.03881,
  title  = {Restricted Quantum Focusing},
  author = {Arvin Shahbazi-Moghaddam},
  journal= {arXiv preprint arXiv:2212.03881},
  year   = {2023}
}

Comments

10 pages, 3 figures

R2 v1 2026-06-28T07:25:09.389Z