Advances in Quantum Gravity Phenomenology

A special issue of Universe (ISSN 2218-1997). This special issue belongs to the section "Foundations of Quantum Mechanics and Quantum Gravity".

Deadline for manuscript submissions: closed (29 June 2023) | Viewed by 1139

Special Issue Editor


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Guest Editor
Chemistry and Physics Department, Federal University of Paraíba, Areia 58397-000, PB, Brazil
Interests: quantum gravity; black holes; cosmology; thermodynamics

Special Issue Information

Dear Colleagues,

Decades have passed since the birth of the problem of quantizing gravitational interaction, and several models have been accumulated in this search. Many of these approaches share as a common point the emergence of departures of relativistic results at the quantum gravity (supposedly Planckian) scale. This feature and technological advances that allowed, with the presence of amplifiers, the scrutiny of such corrections with current (or near-future) experiments giving rise to the phenomenological approach to quantum gravity that is currently being used to constrain and even discard sets of deformations which are mathematically described by different effective proposals.

This Special Issue aims to collect papers representing both original works and reviews on the effects of proposals inspired by quantum gravity phenomenology on observables that may be originated from astrophysical sources and involving different kinds of cosmic messengers, as well as those performable in the lab and in accelerators. We also invite contributions on the development of effective theoretical approaches, such as the use of non-Riemannian geometries or deformed algebras of spacetime or momentum space, Planck-scale corrections of quantum mechanics, among others.

Dr. Iarley P. Lobo
Guest Editor

Manuscript Submission Information

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Keywords

  • Lorentz violation
  • violation of the equivalence principle
  • generalized uncertainty principle
  • multi-messenger astronomy
  • gravitational entanglement
  • non-Riemannian geometries
  • doubly special relativity
  • relative locality
  • curved momentum space
  • quantum algebra

Published Papers (1 paper)

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Research

10 pages, 457 KiB  
Article
Black String Solutions in Rainbow Gravity
by Roberta Dárlla, Francisco A. Brito and Job Furtado
Universe 2023, 9(6), 297; https://doi.org/10.3390/universe9060297 - 20 Jun 2023
Cited by 4 | Viewed by 831
Abstract
In this paper, we studied black string solutions under the consideration of rainbow gravity. We analytically obtained the solution for four-dimensional black strings in terms of the functions f(E/Ep) and g(E/Ep) [...] Read more.
In this paper, we studied black string solutions under the consideration of rainbow gravity. We analytically obtained the solution for four-dimensional black strings in terms of the functions f(E/Ep) and g(E/Ep) that sets the energy scale where the rainbow gravity becomes relevant. We also obtained the Hawking temperature for the black string, from which we can see that the rainbow functions play the role of increasing or decreasing the Hawking temperature for a given horizon radius depending on the choice of such rainbow functions. We computed the entropy, specific heat and free energy for the black string. The entropy and specific heat exhibit a rainbow dependence, whereas the free energy is not modified by the rainbow functions. Finally, we studied the effects of rainbow gravity in the orbits of massive and massless particles around a black string. We could verify that neither massive nor massless particles exhibit stable orbits around a black string in the scenario of rainbow gravity for any configuration of rainbow functions. Full article
(This article belongs to the Special Issue Advances in Quantum Gravity Phenomenology)
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