Dark energy and the BOOMERANG data
The recent high-quality BOOMERANG data allow the testing of many competing cosmological models. Here I present a seven-parameter likelihood analysis of dark energy models with exponential potential and explicit coupling to dark matter. The BOOMERANG data constrain the dimensionless coupling β to be...
Gespeichert in:
| 1. Verfasser: | |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
8 January 2001
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| In: |
Physical review letters
Year: 2001, Jahrgang: 86, Heft: 2, Pages: 196-199 |
| ISSN: | 1079-7114 |
| DOI: | 10.1103/PhysRevLett.86.196 |
| Online-Zugang: | Verlag, Volltext: http://dx.doi.org/10.1103/PhysRevLett.86.196 Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.86.196 
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| Verfasserangaben: | Luca Amendola, Osservatorio Astronomico di Roma, Viale del Parco Mellini 84, 00136 Roma, Italy |
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| 520 | |a The recent high-quality BOOMERANG data allow the testing of many competing cosmological models. Here I present a seven-parameter likelihood analysis of dark energy models with exponential potential and explicit coupling to dark matter. The BOOMERANG data constrain the dimensionless coupling β to be smaller than 0.1, an order of magnitude better than previous limits. In terms of the constant ξ of nonminimally coupled theories, this amounts to ξ<0.01. On the other hand, BOOMERANG does not have enough sensitivity to put constraints on the potential slope. | ||
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