Graviton production as a measure of gravitational entropy in an isotropic universe
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The number of gravitons produced within the particle horizon of an isotropic universe describes the capacity of the gravitational field to create matter and is associated with the gravitational entropy. A geometrical expression for gravitational entropy in an isotropic universe is justified in this approach.
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In the FLRW universe, the increase of matter entropy from graviton production is accompanied by a decrease of gravitational entropy.
“One can see that the increase of matter entropy from the production process is accompanied by a decrease of gravitational entropy. This is discussed in [91,92].”
From Weyl Curvature Hypothesis in Light of Quantum Backreaction at Cosmological Singularities or Bounces (2021) · cites this paper as [91]
Section 3 (‘Number density of gravitons produced’; page unavailable) says that, at late times, the paper’s gravitational-entropy measure can be set equal to the matter entropy of accumulated gravitons. The Discussion (section 5; page unavailable) likewise says the two expressions coincide, rather than describing an increase in matter entropy accompanied by a decrease in gravitational entropy. (LLM, conf=0.85)
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Cites
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Nesteruk, A. V. (1994) · Classical and Quantum Gravity · doi:10.1088/0264-9381/11/1/004 · Cited by 10 · see citing works
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Research works printed but not linked: 3
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Inflationary cosmology and thermodynamics
Gunzig, E., Maartens, R., & Nesteruk, A. V. (1998) · Classical and Quantum Gravity · doi:10.1088/0264-9381/15/4/014 · Cited by 95 · see citing works
Self-citationExact inflationary cosmologies with exit
Maartens, R., Taylor, D. R., & Roussos, N. (1995) · Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields · doi:10.1103/physrevd.52.3358 · Cited by 42 · see citing works
Yadav, A. K. (2010) · International Journal of Theoretical Physics · doi:10.1007/s10773-010-0295-4 · Cited by 16 · see citing works
Multi-fluid cosmology in Einstein gravity: analytical solutions
Faraoni, V., Jose, S., & Dussault, S. (2021) · General Relativity and Gravitation · doi:10.1007/s10714-021-02879-z · Cited by 14 · see citing works
Mena, F. C., & Tod, P. (2007) · Classical and Quantum Gravity · doi:10.1088/0264-9381/24/7/004 · Cited by 13 · see citing works
Relic gravitational waves and the generalized second law
Izquierdo, G., & Pavón, D. (2004) · Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields · doi:10.1103/physrevd.70.127505 · Cited by 13 · see citing works
Inflation with low gravitational entropy at the singularity
Nesteruk, A. V. (1996) · Europhysics Letters (EPL) · doi:10.1209/epl/i1996-00215-y · Cited by 10 · see citing works
Self-citationWeyl Curvature Hypothesis in Light of Quantum Backreaction at Cosmological Singularities or Bounces
Hu, B.-L. (2021) · Universe · doi:10.3390/universe7110424 · Cited by 8 · see citing works
Entropy generation and inflation in wave collision induced pre-big-bang cosmology
Feinstein, A., Kunze, K. E., & Vázquez-Mozo, M. A. (2000) · Physics Letters B · doi:10.1016/s0370-2693(00)01021-2 · Cited by 6 · see citing works
Inflationary Cosmology with Two-component Fluid and Thermodynamics
Gunzig, E., Nesteruk, A. V., & Stokley, M. (2000) · General Relativity and Gravitation · doi:10.1023/a:1001939611746 · Cited by 4 · see citing works
Self-citationMaia, M. R. D. G., Carvalho, J. C., & Alcaniz, J. S. (1997) · Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields · doi:10.1103/physrevd.56.6351 · Cited by 4 · see citing works
Inflationary cosmology with two-component fluid and thermodynamics
Gunzig, E., Nesteruk, A. V., & Stokley, M. (2000) · Dépôt institutionnel de l'Université libre de Bruxelles (Université Libre de Bruxelles) · Cited by 3 · see citing works
Self-citationConstraining entropy and temperature of the universe from recent OHD and Pantheon plus sample
Goyal, N., Yadav, A. K., & Ghrera, A. S. (2025) · International Journal of Geometric Methods in Modern Physics · doi:10.1142/s0219887825501658 · Cited by 1 · see citing works
THE ORIGIN OF ENTROPY IN THE UNIVERSE
Feinstein, A., & Sebastián, M. A. P. (2000) · Foundations of Physics Letters · doi:10.1023/a:1007827415781 · Cited by 1 · see citing works
- Authors
- Nesteruk, A. V., & Ottewill, A. C.
- Affiliations
- University of Oxford (GB)
- University College Dublin (IE)
- Venue
- Classical and Quantum Gravity
- Publisher
- IOP Publishing
- Published
- 1995-01-01
- Volume
- 12
- Issue
- 1
- Pages
- 51-57
- ISSN
- 0264-9381 (ISSN-L)
- 1361-6382
- OpenAlex
- W2054829662
- Semantic Scholar
- 72f3bb693860a6baa3df11a5c0faf253d4f8812d
- Cited by
- 14
- References
- 5
- Citations by year
- 2025: 1 · 2021: 2
- FWCI
- 1.62
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Classical and Quantum Gravity (publishedVersion)
- Funders
- Royal Society
- Topics
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Cosmology and Gravitation Theories
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Relativity and Gravitational Theory
- Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Noncommutative and Quantum Gravity Theories
- Keywords
- graviton production, gravitational entropy, isotropic universe, particle horizon, gravity field, matter creation
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