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Cited by 11Noncommutative and Quantum Gravity TheoriesCosmology and Gravitation TheoriesRelativity and Gravitational Theory

Quantum phase transitions in the Belinsky-Khalatnikov-Lifshitz universe

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D’Odorico, Giulio, Saueressig, Frank·2015·Physical Review D
DOI 10.1103/physrevd.92.124068
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Abstract

We study quantum corrections to the classical Bianchi I and Bianchi IX universes. The modified dynamics is well motivated from the asymptotic safety program where the short-distance behavior of gravity is governed by a nontrivial renormalization group fixed point. The correction terms induce a phase transition in the dynamics of the model, changing the classical, chaotic Kasner oscillations into a uniform approach to a point singularity. The resulting implications for the microscopic structure of spacetime are discussed.

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Crossref · 10.1103/physrevd.92.124068

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  • The results of D'Odorico and Saueressig on quantum corrections to Bianchi I and Bianchi IX universes are consistent with the backreaction-induced isotropization of anisotropy.

    “This seems to be consistent with the results obtained from the backreaction of particle creation from quantum fields, namely, the isotropization of anisotropy, which we mentioned in Section 2.3 and which will be described in Section 5.1.”

    From Weyl Curvature Hypothesis in Light of Quantum Backreaction at Cosmological Singularities or Bounces (2021) · cites this paper as [213]

    The Introduction identifies Bianchi I and Bianchi IX as the anisotropic models studied, and the Conclusions report that quantum corrections replace chaotic Kasner oscillations with a nonchaotic approach to a point singularity (page unavailable). That supports a change in anisotropic dynamics, but the paper does not report isotropization or a comparison with backreaction from particle creation; its Conclusions still describe the quantum-improved spacetimes as anisotropic. (LLM, conf=0.84)

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Research works printed but not linked: 22

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Authors
D’Odorico, G., & Saueressig, F.
Affiliations
Radboud University Nijmegen (NL)
Venue
Physical Review D
Publisher
American Physical Society (APS)
Published
2015-12-30
Volume
92
Issue
12
ISSN
  • 0556-2821 (ISSN-L)
  • 1550-7998
  • 1550-2368
DOI
10.1103/physrevd.92.124068
OpenAlex
W2230194734
Semantic Scholar
f813df161d45d2f56c7ca7b7153bd7581c950e63
Cited by
11
References
25
Citations by year
2024: 1 · 2023: 1 · 2021: 1 · 2020: 1 · 2018: 3 · 2017: 2 · 2016: 2
FWCI
1.47
Type
journal article
Language
en
Open access
Licence
link.aps.org/licenses/aps-default-license (vor)
Locations
  • Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • Radboud Repository (Radboud University) (submittedVersion)
  • Radboud Repository (Radboud University) (submittedVersion, other-oa)
  • arXiv (Cornell University)
Funders
  • Nederlandse Organisatie voor Wetenschappelijk Onderzoek
  • Stichting voor Fundamenteel Onderzoek der Materie (13PR3137, 13VP12)
Topics
  • Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Noncommutative and Quantum Gravity Theories
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Cosmology and Gravitation Theories
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Relativity and Gravitational Theory
Keywords
quantum phase transitions, Bianchi type I cosmology, Bianchi IX cosmology, asymptotic safety, quantum gravity corrections, point singularities, renormalization group fixed points, quantum cosmology

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