Quintessence Cosmology and Varying
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If the reported measurements of the time variation of the fine structure constant from observations of distant QSOs are correct, combined with the Oklo limit, they would strongly constrain the class of the quintessence potential. If these results prove valid, future satellite experiments (STEP) should measure the induced violation of the weak equivalence principle. Future cosmological observations of nearby (z ≲ 0.5) absorption systems would make it clear whether the variation is significant or not.
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Chiba and Khori (2002) argued that an ultra-light quintessence field induces a time variation of the coupling constant if it is coupled to ordinary matter and studied a coupling of the form δ_e φ F_{μν} F^{μν}/M_P.
“Chiba and Khori (2002) also argued that an ultra-light quintessence field induces a time variation of the coupling constant if it is coupled to ordinary matter and studied a coupling of the form d e /F lm F lm =M P , as, e.g., expected from Kaluza-Klein theories (see Sect. 3.4 below).”
From Fundamental constants: from measurement to the universe, a window on gravitation and cosmology (2025) · cites this paper as Chiba and Khori 2002
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Dias, J. D. F., Schöneberg, N., Vacher, L., Martins, C. J. A. P., & Vinzl, S. (2024) · Journal of Cosmology and Astroparticle Physics · doi:10.1088/1475-7516/2024/11/030
- Authors
- Chiba, T., & Kohri, K.
- Affiliations
- Kyoto University (JP)
- ORCID
- Kohri, K.
- Venue
- Progress of Theoretical Physics
- Publisher
- Oxford University Press (OUP)
- Published
- 2002-03-01
- Volume
- 107
- Issue
- 3
- Pages
- 631-636
- ISSN
- 0033-068X (ISSN-L)
- 1347-4081
- OpenAlex
- W1526650527
- Cited by
- 92
- References
- 1
- Citations by year
- 2026: 1 · 2025: 3 · 2024: 4 · 2023: 3 · 2022: 4 · 2021: 4 · 2020: 4 · 2019: 2 · 2018: 1 · 2017: 6 · 2016: 4 · 2015: 3 · 2014: 3 · 2013: 1 · 2012: 5
- FWCI
- 3.59
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Progress of Theoretical Physics (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- HighWire Press Open Archive (submittedVersion)
- arXiv (Cornell University)
- Topics
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Cosmology and Gravitation Theories
- Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Noncommutative and Quantum Gravity Theories
- Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Advanced Mathematical Theories and Applications
- Keywords
- quintessence, fine-structure constant variation, Oklo natural nuclear reactor, weak equivalence principle violation, absorption line systems, dark energy
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