Dark Energy-Dark Matter Interaction and putative violation of the Equivalence Principle from the Abell Cluster A586

Details Dark Energy-Dark Matter Interaction and putative violation of the Equivalence Principle from the Abell Cluster A586 Dark Energy-Dark Matter Interaction and putative violation of the Equivalence Principle from the Abell Cluster A586

2007-03-16

arxiv.org/abs/astro-ph/0703462v2

Phys.Lett.B654:165-169,2007

Astronomy and Astrophysics

Astrophysics

Version to appear at Physics Letters B. 5 pages, 1 Figure

Scientific paper

10.1016/j.physletb.2007.08.046

We show that the Abell Cluster A586 exhibits evidence of the interaction between dark matter and dark energy and argue that this interaction implies a violation of the Equivalence Principle. This violation is found in the context of two different models of dark energy-dark matter interaction. We also argue, based on the spherical symmetry of the Abell Cluster A586 that skewness is not the most general quantity to test the Equivalence Principle.

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