- Abstract:
-
A scalar field with an exponential potential has the particular property that it is attracted into a solution in which its energy scales as the dominant component (radiation or matter) of the Universe, contributing a fixed fraction of the total energy density. We study the growth of perturbations in a CDM dominated $\Omega=1$ universe with this extra field, with an initial flat spectrum of adiabatic fluctuations. The observational constraints from structure formation are satisfied as well, or...
Expand abstract - Publisher copy:
- 10.1103/PhysRevLett.79.4740
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- Journal:
- Phys.Rev.Lett.
- Volume:
- 79
- Pages:
- 4740-4743
- Publication date:
- 1997-07-25
- DOI:
- URN:
-
uuid:a124f495-ddc1-4ac1-9060-27877d234234
- Source identifiers:
-
208133
- Local pid:
- pubs:208133
- Copyright date:
- 1997
- Notes:
- 4 pages, uses RevTex, 2 figures
Journal article
Structure formation with a self-tuning scalar field
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