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Stationary dark energy: The present universe as a global attractor
Open accessAbstract
We propose a cosmological model that makes a significant step toward solving the coincidence problem of the near similarity at the present of the dark energy and dark matter components. Our cosmology has the following properties: (a) among flat and homogeneous spaces, the present universe is a global attractor; all the possible initial conditions lead to the observed proportion of dark energy and dark matter; once reached, it remains fixed forever; (b) the expansion is accelerated at the present; (c) the model is consistent with the large-scale structure and microwave background data; (d) the dark energy and the dark matter densities scale similarly after equivalence and are close to within one order of magnitude.
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Cites
Measurements of Ω and Λ from 42 High‐Redshift Supernovae
Perlmutter, S., Aldering, G., Goldhaber, G., Knop, R. A., Nugent, P., Castro, P. G., Deustua, S., Fabbro, S., Goobar, A., Groom, D. E., et al. (1999) · The Astrophysical Journal · doi:10.1086/307221 · Cited by 18,062
Cosmological consequences of a rolling homogeneous scalar field
Ratra, B., & Peebles, P. J. E. (1988) · Physical Review D · doi:10.1103/physrevd.37.3406 · Cited by 4,310
Dark matter, time-varying G, and a dilaton field
Damour, T., Gibbons, G. W., & Gundlach, C. (1990) · Physical Review Letters · doi:10.1103/physrevlett.64.123 · Cited by 398
Cited by
The pre-big bang scenario in string cosmology
Gasperini, M., & Veneziano, G. (2003) · Physics Reports · doi:10.1016/s0370-1573(02)00389-7 · Cited by 872
Quintessence as a runaway dilaton
Gasperini, M., Piazza, F., & Veneziano, G. (2001) · Physical Review D · doi:10.1103/physrevd.65.023508 · Cited by 449
Metadata
- Authors
- Amendola, L., & Tocchini-Valentini, D.
- Venue
- Physical Review D
- Publisher
- American Physical Society (APS)
- Published
- 2001-07-25
- Volume
- 64
- Issue
- 4
- ISSN
- 0556-2821 (ISSN-L)
- 1089-4918
- OpenAlex
- W2130258748
- Cited by
- 295
- References
- 3
- FWCI
- 6.11
- Type
- journal article
- Language
- en
- Open access
- green
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.