4.7 Article

Degeneracy between CCDM and ΛCDM cosmologies

Journal

PHYSICAL REVIEW D
Volume 90, Issue 12, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.90.127301

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Funding

  1. Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq)
  2. Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro (FAPERJ)
  3. FAPERJ

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The creation of cold dark matter cosmology model is studied beyond the linear perturbation level. The skewness is explicitly computed, and the results are compared to those from the Lambda CDM model. It is explicitly shown that both models have the same signature for the skewness and cannot be distinguished by using this observable.

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