Unified Model for Inflation and Dark Matter

Details Unified Model for Inflation and Dark Matter Unified Model for Inflation and Dark Matter

2006-11-21

arxiv.org/abs/astro-ph/0611664v2

J.Phys.A40:5219,2007

Astronomy and Astrophysics

Astrophysics

16 pages, 2 figures, revtex4; more references added, minor changes in the text

Scientific paper

10.1088/1751-8113/40/19/020

We present a model which contains a new complex scalar field $\Psi$, interacting with a new real scalar field, $\chi$, and an effective potential whose symmetry is almost exact, being explicitly broken by Planck-scale effects. We study the possibility of relating {\em inflation} with the {\em dark matter} of the universe. We find that for exponentially small explicit breaking, the model accounts for a period of inflation in the early universe and gives a dark matter candidate particle.

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