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White paper and roadmap for quantum gravity phenomenology in the multi-messenger era

Alves Batista, R. ; Pasechnik, R. LU and Zornoza, J.D. (2025) In Classical and Quantum Gravity 42(3).
Abstract
The unification of quantum mechanics and general relativity has long been elusive. Only recently have empirical predictions of various possible theories of quantum gravity been put to test, where a clear signal of quantum properties of gravity is still missing. The dawn of multi-messenger high-energy astrophysics has been tremendously beneficial, as it allows us to study particles with much higher energies and travelling much longer distances than possible in terrestrial experiments, but more progress is needed on several fronts. A thorough appraisal of current strategies and experimental frameworks, regarding quantum gravity phenomenology, is provided here. Our aim is twofold: a description of tentative multimessenger explorations, plus a... (More)
The unification of quantum mechanics and general relativity has long been elusive. Only recently have empirical predictions of various possible theories of quantum gravity been put to test, where a clear signal of quantum properties of gravity is still missing. The dawn of multi-messenger high-energy astrophysics has been tremendously beneficial, as it allows us to study particles with much higher energies and travelling much longer distances than possible in terrestrial experiments, but more progress is needed on several fronts. A thorough appraisal of current strategies and experimental frameworks, regarding quantum gravity phenomenology, is provided here. Our aim is twofold: a description of tentative multimessenger explorations, plus a focus on future detection experiments. As the outlook of the network of researchers that formed through the COST Action CA18108 ‘Quantum gravity phenomenology in the multi-messenger approach (QG-MM)’, in this work we give an overview of the desiderata that future theoretical frameworks, observational facilities, and data-sharing policies should satisfy in order to advance the cause of quantum gravity phenomenology. © 2025 IOP Publishing Ltd. All rights, including for text and data mining, AI training, and similar technologies, are reserved. (Less)
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author
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author collaboration
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
cosmic neutrinos, gamma-ray astronomy, gravitational waves, Lorentz invariance violation and deformation, quantum gravity phenomenology, spacetime foam, ultra-high-energy cosmic rays
in
Classical and Quantum Gravity
volume
42
issue
3
article number
032001
publisher
IOP Publishing
external identifiers
  • scopus:85215623151
ISSN
0264-9381
DOI
10.1088/1361-6382/ad605a
language
English
LU publication?
yes
id
b9c3039d-87fa-47a3-b144-617132fb755e
date added to LUP
2025-12-16 15:22:50
date last changed
2025-12-16 15:23:43
@article{b9c3039d-87fa-47a3-b144-617132fb755e,
  abstract     = {{The unification of quantum mechanics and general relativity has long been elusive. Only recently have empirical predictions of various possible theories of quantum gravity been put to test, where a clear signal of quantum properties of gravity is still missing. The dawn of multi-messenger high-energy astrophysics has been tremendously beneficial, as it allows us to study particles with much higher energies and travelling much longer distances than possible in terrestrial experiments, but more progress is needed on several fronts. A thorough appraisal of current strategies and experimental frameworks, regarding quantum gravity phenomenology, is provided here. Our aim is twofold: a description of tentative multimessenger explorations, plus a focus on future detection experiments. As the outlook of the network of researchers that formed through the COST Action CA18108 ‘Quantum gravity phenomenology in the multi-messenger approach (QG-MM)’, in this work we give an overview of the desiderata that future theoretical frameworks, observational facilities, and data-sharing policies should satisfy in order to advance the cause of quantum gravity phenomenology. © 2025 IOP Publishing Ltd. All rights, including for text and data mining, AI training, and similar technologies, are reserved.}},
  author       = {{Alves Batista, R. and Pasechnik, R. and Zornoza, J.D.}},
  issn         = {{0264-9381}},
  keywords     = {{cosmic neutrinos; gamma-ray astronomy; gravitational waves; Lorentz invariance violation and deformation; quantum gravity phenomenology; spacetime foam; ultra-high-energy cosmic rays}},
  language     = {{eng}},
  number       = {{3}},
  publisher    = {{IOP Publishing}},
  series       = {{Classical and Quantum Gravity}},
  title        = {{White paper and roadmap for quantum gravity phenomenology in the multi-messenger era}},
  url          = {{http://dx.doi.org/10.1088/1361-6382/ad605a}},
  doi          = {{10.1088/1361-6382/ad605a}},
  volume       = {{42}},
  year         = {{2025}},
}