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2020

On cosmological signatures of baryons-dark energy elastic couplings

Jiménez, Jose Beltrán, Bettoni, Dario, Figueruelo, David et al.

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We consider a scenario where dark energy and baryons are dynamically coupled without any energy transfer.

In this scenario, the background cosmology is unaffected and, at the perturbations level, the coupling only appears through the corresponding Euler equations of dark energy and baryons.
We then explore some phenomenological consequences of this scenario and their signatures in several cosmological observables.
In particular, we show its ability to suppress the growth of cosmic structures.

On cosmological signatures of baryons-dark energy elastic couplings · Around

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