Exact cosmological solutions of models with an interacting dark sector

Details Exact cosmological solutions of models with an interacting dark sector Exact cosmological solutions of models with an interacting dark sector

2011-11-28

arxiv.org/abs/1111.6526v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

15 pages, no figures; submitted to PRD

Scientific paper

We extend the First Order Formalism for cosmological models, developed including an interaction between a fermionic and a scalar field. Cosmological exact solutions, describing universes filled with interacting dark energy and dark matter, have been obtained. We suggest some alternative couplings that yield solutions for the scalar field that could model the present expansion of our universe.

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