Holographic dark energy and late cosmic acceleration

Details Holographic dark energy and late cosmic acceleration Holographic dark energy and late cosmic acceleration

2006-10-02

arxiv.org/abs/gr-qc/0610008v1

J.Phys.A40:6865-6870,2007

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

6 pages, no figures, contribution to the Proceedings of IRGAC-06

Scientific paper

10.1088/1751-8113/40/25/S31

It has been persuasively argued that the number of the effective degrees of freedom of a macroscopic system is proportional to its area rather than to its volume. This entails interesting consequences for cosmology. Here we present a model based on this "holographic principle" that accounts for the present stage of accelerated expansion of the Universe and significantly alleviates the coincidence problem also for non-spatially flat cosmologies. Likewise, we comment on a recently proposed late transition to a fresh decelerated phase.

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