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Accelerated expansion without dark energy
The fact that the LambdaCDM model fits the observations does not necessarily imply the physical existence of `dark energy'. Dropping the assumption that cold dark matter (CDM) is a perfect fluid opens the possibility to fit the data without dark energy. For imperfect CDM, negative bulk pressure...
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| Lenguaje: | eng |
| Publicado: |
2002
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| Acceso en línea: | http://cds.cern.ch/record/583249 |