WMAP and the generalized Chaplygin gas
We compare the WMAP temperature power spectrum and SNIa data to models with a generalized Chaplygin gas as dark energy. The generalized Chaplygin gas is a component with an exotic equation of state, p_X=-A/\rho^\alpha_X (a polytropic gas with negative constant and exponent). Our main result is that,...
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| Main Author: | |
|---|---|
| Format: | Article (Journal) Chapter/Article |
| Language: | English |
| Published: |
2003
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| In: |
Arxiv
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| Online Access: | Verlag, kostenfrei, Volltext: http://arxiv.org/abs/astro-ph/0304325
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| Author Notes: | L. Amendola, F. Finelli, C. Burigana, and D. Carturan |
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