Testing the interaction of dark energy to dark matter through the analysis of virial relaxation of clusters Abell Clusters A586 and A1689 using realistic density profiles

Orfeu Bertolami (1, 2) , Francisco Gil Pedro (3) , Morgan Le Delliou (4)

1 DFA/FCUP - Departamento de Física e Astronomia [Porto]
2 Centro de Física dos Plasmas
3 Rudolf Peierls Centre for Theoretical Physics
4 IFT - Instituto de Física Teórica UAM/CSIC

Interaction between dark energy and dark matter is probed through deviation from the virial equilibrium for two relaxed clusters: A586 and A1689. The evaluation of the virial equilibrium is performed using realistic density profiles. The virial ratios found for the more realistic density profiles are consistent with the absence of interaction.

Domaines: Cosmologie et astrophysique extra-galactique [astro-ph.CO]; Cosmologie et astrophysique extra-galactique [astro-ph.CO]; Relativité Générale et Cosmologie Quantique [gr-qc]; Physique des Hautes Energies - Théorie [hep-th]

Orfeu Bertolami, Francisco Gil Pedro, Morgan Le Delliou. Testing the interaction of dark energy to dark matter through the analysis of virial relaxation of clusters Abell Clusters A586 and A1689 using realistic density profiles. 2012. ⟨hal-00593429v2⟩