2022
DOI: 10.1016/j.ppnp.2022.103948
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Quantum gravity phenomenology at the dawn of the multi-messenger era—A review

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Cited by 231 publications
(160 citation statements)
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“…At the same time, there are many reasons indicating that one should construct modified gravitational theories. At the theoretical level, gravitational modifications are known to be able to improve the renormalizability issues of general relativity [28,29]. At the phenomenological level, modified gravity can offer an alternative way to explain the two phases of the Universe's accelerated expansion, namely the early-time, inflationary one [30,31], and/or the late-time, dark-energy one [32][33][34].…”
Section: Introductionmentioning
confidence: 99%
“…At the same time, there are many reasons indicating that one should construct modified gravitational theories. At the theoretical level, gravitational modifications are known to be able to improve the renormalizability issues of general relativity [28,29]. At the phenomenological level, modified gravity can offer an alternative way to explain the two phases of the Universe's accelerated expansion, namely the early-time, inflationary one [30,31], and/or the late-time, dark-energy one [32][33][34].…”
Section: Introductionmentioning
confidence: 99%
“…In fact, for those models for which a nontrivial structure regarding time is present, such as the κ-Minkowski model, the Moyal twist of quantum mechanics is ill-defined, since in it only the vector fields of the space components appear. Given the relevance of models with time noncommutativity in the literature, especially when phenomenology is involved [9,46], it would be interesting to investigate whether other methods leading to double quantization can be defined, which are compatible with a time noncommutativity.…”
Section: Discussionmentioning
confidence: 99%
“…In order to construct the double quantization of the phase space associated to the space noncommutativity (36), we can proceed as for the λ-Minkwoski case and express the noncommutative space coordinates as a function of the canonical phase-space ones, given in Eq. (9). A particularly simple solution is…”
Section: Symmetries Of the Doubly-quantized Phase Spacementioning
confidence: 99%
See 1 more Smart Citation

Double Quantization

Gubitosi,
Lizzi,
Relancio
et al. 2021
Preprint
“…The aim of this paper is the explicit construction of the noncommutative space of light-like geodesics associated to the κ-deformation. Indeed, the study of the propagation of photons on a quantum spacetime is one of the main theoretical problems in quantum gravity phenomenology (see [39,40]) and we hope that this new model could shed some light in this context. Moreover, we will show that the construction of this new noncommutative space is possible only if the light-like (or null-plane) κ-deformation of the Poincaré algebra [41][42][43] is considered.…”
Section: Introductionmentioning
confidence: 99%