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Exploring the Expansion History of the Universe
Open accessAbstract
Exploring the recent expansion history of the universe promises insights into the cosmological model, the nature of dark energy, and potentially clues to high energy physics theories and gravitation. We examine the extent to which precision distance-redshift observations can map out the history, including the acceleration-deceleration transition, and the components and equations of state of the energy density. We consider the ability to distinguish between various dynamical scalar field models for the dark energy, as well as higher dimension and alternate gravity theories. Finally, we present a new, advantageous parametrization for the study of dark energy.
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“In this restricted sense the construction is a direct extension of familiar quintessence dynamics [31,32]: a single scalar field drives both late-time acceleration and ekpyrotic smoothing at the background level, while the spin-torsion sector supplies the repulsive ρ s ∝ a -6 contribution that regulates the high-density regime, instead of introducing separate ingredients for each phase.”
From Dynamical systems analysis of an Einstein–Cartan ekpyrotic nonsingular bounce cosmology (2026) · cites this paper as [32]
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Self-citationObservational Tests Of World Models
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- E. V. Linder, 1988, Astron. Astrophys., 206, 175
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Astropy: A community Python package for astronomy
The Astropy Collaboration, Robitaille, T. P., Tollerud, E. J., Greenfield, P., Droettboom, M., Bray, E., Aldcroft, T., Davis, M., Ginsburg, A., Price-Whelan, A. M., et al. (2013) · Astronomy & Astrophysics · doi:10.1051/0004-6361/201322068 · Cited by 14,620
SEVEN-YEAR WILKINSON MICROWAVE ANISOTROPY PROBE(WMAP) OBSERVATIONS: COSMOLOGICAL INTERPRETATION
Komatsu, E., Smith, K. M., Dunkley, J., Bennett, C. L., Gold, B., Hinshaw, G., Jarosik, N., Larson, D., Nolta, M. R., Page, L., et al. (2011) · The Astrophysical Journal Supplement Series · doi:10.1088/0067-0049/192/2/18 · Cited by 8,802
Planck 2013 results. XVI. Cosmological parameters
Ade, P. A. R., Aghanim, N., Armitage-Caplan, C., Arnaud, M., Ashdown, M., Atrio-Barandela, F., Aumont, J., Baccigalupi, C., Banday, A. J., Barreiro, R. B., et al. (2014) · Astronomy and Astrophysics · doi:10.1051/0004-6361/201321591 · Cited by 8,459
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FIVE-YEAR WILKINSON MICROWAVE ANISOTROPY PROBE OBSERVATIONS: COSMOLOGICAL INTERPRETATION
Komatsu, E., Dunkley, J., Nolta, M. R., Bennett, C. L., Gold, B., Hinshaw, G., Jarosik, N., Larson, D., Limon, M., Page, L., et al. (2009) · The Astrophysical Journal Supplement Series · doi:10.1088/0067-0049/180/2/330 · Cited by 5,786
Metadata
- Authors
- Linder, E. V.
- Affiliations
- Lawrence Berkeley National Laboratory (US)
- Corresponding author
- Linder, Eric V.
- ORCID
- Linder, Eric V.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2003-03-03
- Volume
- 90
- Issue
- 9
- Pages
- 091301-091301
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2057645607
- Cited by
- 2,526
- References
- 17
- Citations by year
- 2026: 266 · 2025: 287 · 2024: 161 · 2023: 135 · 2022: 97 · 2021: 117 · 2020: 104 · 2019: 132 · 2018: 128 · 2017: 91 · 2016: 97 · 2015: 63 · 2014: 94 · 2013: 70 · 2012: 98
- FWCI
- 31.23
- Type
- journal article
- Language
- en
- Open access
- green
- arxiv.org
- Locations
- Physical Review Letters (publishedVersion)
- PubMed (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
- University of North Texas Digital Library (University of North Texas) (submittedVersion)
- CERN Document Server (European Organization for Nuclear Research) (submittedVersion)
- arXiv (Cornell University)
- Topics
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Cosmology and Gravitation Theories
- Physical Sciences › Physics and Astronomy › Nuclear and High Energy Physics › Dark Matter and Cosmic Phenomena
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Galaxies: Formation, Evolution, Phenomena
- Keywords
- cosmic expansion history, dark energy, distance-redshift relation, dark energy equation of state, scalar field models, higher-dimensional theories, modified gravity, dark energy parametrization
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