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2020

New accelerating solutions in late-time cosmology

Cicoli, Michele, Dibitetto, Giuseppe, Pedro, Francisco G.

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Dark energy models can be seen as dynamical systems.

In this paper we show that multi-field models with a curved field space give rise to new critical points and we analyse their stability.
These are new accelerating solutions in late-time cosmology which exist even for steep potentials.
This opens up the possibility to realise quintessence models even when quantum corrections spoil the flatness of the underlying potential.

New accelerating solutions in late-time cosmology · Around

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