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Universal fine grained asymptotics of free and weakly coupled quantum field theory

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [2];  [3]
  1. The University of Tokyo (Japan)
  2. The University of Tokyo, Chiba (Japan)
  3. Institute for Advanced Study, Princeton, NJ (United States); California Institute of Technology (CalTech), Pasadena, CA (United States)

We give a rigorous proof that in any free quantum field theory with a finite group global symmetry G, on a compact spatial manifold, at sufficiently high energy, the density of states ρα(E) for each irreducible representation α of G obeys a universal formula as conjectured by Harlow and Ooguri. We further prove that this continues to hold in a weakly coupled quantum field theory, given an appropriate scaling of the coupling with temperature. This generalizes similar results that were previously obtained in (1 + 1)-D to higher spacetime dimension. We discuss the role of averaging in the density of states, and we compare and contrast with the case of continuous group G, where we prove a universal, albeit different, behavior.

Research Organization:
Institute for Advanced Study, Princeton, NJ (United States)
Sponsoring Organization:
USDOE; JSPS KAKENHI
Grant/Contract Number:
SC0009988
OSTI ID:
2587158
Alternate ID(s):
OSTI ID: 2576024
Journal Information:
Journal of High Energy Physics (Online), Journal Name: Journal of High Energy Physics (Online) Journal Issue: 5 Vol. 2024; ISSN 1029-8479
Publisher:
Springer NatureCopyright Statement
Country of Publication:
United States
Language:
English

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