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Interacting dark sector with variable vacuum energy
(Amer Physical Soc, 2013-10)
We examine a cosmological scenario where dark matter is coupled to a variable vacuum energy while baryons and photons are two decoupled components for a spatially flat Friedmann-Robertson-Walker spacetime. We apply the χ2 ...
Production regimes for Self-Interacting Dark Matter
(Iop Publishing Ltd, 2016-03-01)
In the context of Self-Interacting Dark Matter as a solution for the small-scale structure problems, we consider the possibility that Dark Matter could have been produced without being in thermal equilibrium with the ...
Z(3) WIMP and SIMP Dark Matter from a Global U(1) Breaking
(Elsevier B.V., 2015-10-01)
We propose and study a scalar extension of the Standard Model which respects a Z(3) symmetry remnant of the spontaneous breaking of a global U(1)D-M symmetry. The model has a dark matter candidate whose relic density is ...
Dark energy as a kinematic effect
(2016-03-01)
We present a generalization of teleparallel gravity that is consistent with local spacetime kinematics regulated by the de Sitter group SO(1, 4). The mathematical structure of teleparallel gravity is shown to be given by ...
Cosmological constraints on scalar field dark matter
(2021-01-01)
This paper aims to put constraints on the parameters of the Scalar Field Dark Matter (SFDM) model, when dark matter is described by a free real scalar field filling the whole universe, plus a cosmological constant term. ...
Banks of microscopic forms and survival to darkness of propagules and microscopic stages of macroalgae
(Sociedad de Biología de Chile, 2002)
Ghost Dark Energy Model with Non-linear Interaction
(2018-07-23)
In this paper we study a dark energy model taking into account a non-linear
interaction between the dark energy and dark matter components. The non-linear
interaction term, used in this work, is proportional to the square ...
Signature of the scattering between dark sectors in large scale cosmic microwave background anisotropies
(AMER PHYSICAL SOCCOLLEGE PK, 2012)
We study the interaction between dark sectors by considering the momentum transfer caused by the dark matter scattering elastically within the dark energy fluid. Describing the dark scattering analogy to the Thomson ...
Dark matter, supernova neutrinos and other backgrounds in direct dark matter searches: The ANDES laboratory prospects
(World Scientific, 2021-12)
Dark Matter particles can be detected directly via their elastic scattering with nuclei. Next generation experiments can eventually find physical evidences about dark matter candidates. With this motivation in mind, we ...