Impact of dark energy perturbations on the growth index
We show that in clustering dark energy models the growth index of linear matter perturbations, γ, can be much lower than in Λ CDM or smooth quintessence models and presents a strong variation with redshift. We find that the impact of dark energy perturbations on γ is enhanced if the dark energy equ...
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| Formato: | article |
| Idioma: | English |
| Publicado em: |
American Physical Society
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| Endereço do item: | https://repositorio.ufrn.br/handle/123456789/30833 |
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