Dynamical Dark Energy and Spontaneously Generated Gravity

Details Dynamical Dark Energy and Spontaneously Generated Gravity Dynamical Dark Energy and Spontaneously Generated Gravity

2012-04-12

arxiv.org/abs/1204.2625v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

14 pages, 3 figures

Scientific paper

We study the cosmological evolution of an induced gravity model with a scale symmetry breaking potential for the scalar field. The radiation to matter transition, following inflation and reheating, influences the dynamics of such a field through its non minimal coupling. We illustrate how, under certain conditions on the potential, such a dynamics can lead to a suitable amount of dark energy explaining the present accelerated expansion.

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