A Remark on "A CMB/Dark Energy Cosmic Duality"

Details A Remark on "A CMB/Dark Energy Cosmic Duality" A Remark on "A CMB/Dark Energy Cosmic Duality"

2005-01-12

arxiv.org/abs/hep-th/0501089v1

Physics

High Energy Physics

High Energy Physics - Theory

2 pages, 2 figures. Submitted to the journal on Nov.18, 2004

Scientific paper

The recent calculation on the suppression of the power at low multipoles in the CMB spectrum due to an IR cut-off presented in hep-th/0406019 does not take into account the Integrated Sachs-Wolfe (ISW) term, which is crucial in models aiming to the explanation of the present acceleration of the Universe. We show that the ISW contribution to low multipoles is tipically much greater than the SW term, for an IR cut-off comparable to the present Hubble radius.

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