The DOI matches its Crossref record; 7 of the 7 references it cites were found in a registry or an index.
Thawing quintessence with a nearly flat potential
Open accessAbstract
The thawing quintessence model with a nearly flat potential provides a natural mechanism to produce an equation of state parameter, $w$, close to $\ensuremath{-}1$ today. We examine the behavior of such models for the case in which the potential satisfies the slow-roll conditions: $[(1/V)(dV/d\ensuremath{\phi}){]}^{2}\ensuremath{\ll}1$ and $(1/V)({d}^{2}V/d{\ensuremath{\phi}}^{2})\ensuremath{\ll}1$, and we derive the analog of the slow-roll approximation for the case in which both matter and a scalar field contribute to the density. We show that in this limit, all such models converge to a unique relation between $1+w$, ${\ensuremath{\Omega}}_{\ensuremath{\phi}}$, and the initial value of $(1/V)(dV/d\ensuremath{\phi})$. We derive this relation and use it to determine the corresponding expression for $w(a)$, which depends only on the presentday values for $w$ and ${\ensuremath{\Omega}}_{\ensuremath{\phi}}$. For a variety of potentials, our limiting expression for $w(a)$ is typically accurate to within $\ensuremath{\delta}w\ensuremath{\lesssim}0.005$ for $w<\ensuremath{-}0.9$. For redshift $z\ensuremath{\lesssim}1$, $w(a)$ is well fit by the Chevallier-Polarski-Linder parametrization, in which $w(a)$ is a linear function of $a$.
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Cites
Riess, A. G., Strolger, L., Tonry, J., Casertano, S., Ferguson, H. C., Mobasher, B., Challis, P., Filippenko, A. V., Jha, S., Li, W., et al. (2004) · The Astrophysical Journal · doi:10.1086/383612 · Cited by 4,315
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
Exploring the Expansion History of the Universe
Linder, E. V. (2003) · Physical Review Letters · doi:10.1103/physrevlett.90.091301 · Cited by 2,526
Cosmological Inflation and Large-Scale Structure
Liddle, A. R., & Lyth, D. H. (2000) · doi:10.1017/cbo9781139175180 · Cited by 2,317
Riess, A. G., Strolger, L., Casertano, S., Ferguson, H. C., Mobasher, B., Gold, B., Challis, P. J., Filippenko, A. V., Jha, S., Li, W., et al. (2007) · The Astrophysical Journal · doi:10.1086/510378 · Cited by 1,758
Exponential potentials and cosmological scaling solutions
Copeland, E. J., Liddle, A. R., & Wands, D. (1998) · Physical Review D · doi:10.1103/physrevd.57.4686 · Cited by 1,468
Wood‐Vasey, W. M., Miknaitis, G., Stubbs, C. W., Jha, S., Riess, A. G., Garnavich, P. M., Kirshner, R. P., Aguilera, C., Becker, A. C., Blackman, J. W., et al. (2007) · The Astrophysical Journal · doi:10.1086/518642 · Cited by 928
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Nojiri, S., Odintsov, S. D., & Oikonomou, V. K. (2017) · Physics Reports · doi:10.1016/j.physrep.2017.06.001 · Cited by 2,734
Beyond the cosmological standard model
Joyce, A., Jain, B., Khoury, J., & Trodden, M. (2015) · Physics Reports · doi:10.1016/j.physrep.2014.12.002 · Cited by 1,231
Cosmology and Fundamental Physics with the Euclid Satellite
The Euclid Theory Working Group, Amendola, L., Appleby, S., Bacon, D., Baker, T., Baldi, M., Bartolo, N., Blanchard, A., Bonvin, C., Borgani, S., et al. (2013) · Living Reviews in Relativity · doi:10.12942/lrr-2013-6 · Cited by 899
Metadata
- Authors
- Scherrer, R. J., & Sen, A. A.
- Venue
- Physical Review D
- Publisher
- American Physical Society (APS)
- Published
- 2008-04-25
- Volume
- 77
- Issue
- 8
- ISSN
- 0556-2821 (ISSN-L)
- 1550-7998
- 1550-2368
- OpenAlex
- W1992720874
- Cited by
- 219
- References
- 7
- FWCI
- 7.47
- Type
- journal article
- Language
- en
- Open access
- green
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