119 citations · 309 across the 14 of their papers we have counts for
14 papers
Dark matter-baryons elastic coupling
David Figueruelo, Florencia Anabella Teppa Pannia
We consider a cosmological model where dark matter and baryons interact via a pure momentum transfer. We present the foundations of the interaction and derive its main equations. I…
Late-time Background Constraints on Linear and Non-linear Interacting Dark Energy after DESI DR2
David Figueruelo, Marcel van der Westhuizen, Amare Abebe +1
In this study, we present observational constraints on a class of phenomenological interacting dark energy (IDE) models that admit analytical solutions for the Hubble parameter $H(…
Non-linear structure formation with elastic interactions in the dark sector
Jose Beltrán Jiménez, David Figueruelo, David F. Mota +1
Cosmological models where dark matter interacts with dark energy via a pure momentum transfer and with no energy exchange (i.e. elastic) provide compelling scenarios for addressing…
Compartmentalization in the Dark Sector of the Universe after DESI DR2 BAO data
Marcel van der Westhuizen, David Figueruelo, Rethabile Thubisi +3
We consider a non-linear interaction between the dark matter and dark energy components of the universe. In particular, within the FLRW geometry, where dark matter is described by…
On Evidence for Elastic Interactions in the Dark Sector
Jose Beltrán Jiménez, Dario Bettoni, David Figueruelo +1
The increasing quality of cosmological data has revealed some tensions that could be signalling the necessity of incorporating new physics into our cosmological model. One particul…
On the (non-)degeneracy of massive neutrinos and elastic interactions in the dark sector
Jose Beltrán Jiménez, David Figueruelo, Florencia Anabella Teppa Pannia
Cosmological models featuring an elastic interaction in the dark sector at linear order has been shown to provide a promising scenario for alleviating the tension. A natural…
A smoking gun from the power spectrum dipole for elastic interactions in the dark sector
Jose Beltrán Jiménez, Enea Di Dio, David Figueruelo
Models with pure momentum exchange in the dark sector have been shown to provide a promising scenario to tackle the tension in the clustering inferred from high- and low-redshift p…
Some disquisitions on cosmological 2-form dualities
Katsuki Aoki, Jose Beltrán Jiménez, David Figueruelo
In this work we study different aspect of self-interacting 2-form fields with special emphasis in their cosmological applications. We provide the explicit construction of how massl…
Momentum transfer in the dark sector and lensing convergence in upcoming galaxy surveys
Wilmar Cardona, David Figueruelo
We investigated a cosmological model that allows a momentum transfer between dark matter and dark energy. The interaction in the dark sector mainly affects the behaviour of perturb…
Probing elastic interactions in the dark sector and the role of
Jose Beltrán Jiménez, Dario Bettoni, David Figueruelo +2
We place observational constraints on two models within a class of scenarios featuring an elastic interaction between dark energy and dark matter that only produces momentum exchan…
J-PAS: Forecasts for dark matter - dark energy elastic couplings
David Figueruelo, Miguel Aparicio Resco, Florencia A. Teppa Pannia +21
We consider a cosmological model where dark matter and dark energy feature a coupling that only affects their momentum transfer in the corresponding Euler equations. We perform a f…
Velocity-dependent interacting dark energy and dark matter with a Lagrangian description of perfect fluids
Jose Beltrán Jiménez, Dario Bettoni, David Figueruelo +2
We consider a cosmological scenario where the dark sector is described by two perfect fluids that interact through a velocity-dependent coupling. This coupling gives rise to an int…
The miniJPAS survey: a preview of the Universe in 56 colours
S. Bonoli, A. Marín-Franch, J. Varela +166
The Javalambre-Physics of the Accelerating Universe Astrophysical Survey (J-PAS) will soon start to scan thousands of square degrees of the northern extragalactic sky with a unique…
On cosmological signatures of baryons-dark energy elastic couplings
Jose Beltrán Jiménez, Dario Bettoni, David Figueruelo +1
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 pertu…