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Cold dark matter hypotheses in the MSSM [PDF]
version to appear in Physcis Letters ...
Fernando Quevedo+2 more
openaire +2 more sources
A new recipe for $$\Lambda $$ Λ CDM
It is well known that a canonical scalar field is able to describe either dark matter or dark energy but not both. We demonstrate that a non-canonical scalar field can describe both dark matter and dark energy within a unified setting.
Varun Sahni, Anjan A. Sen
doaj +1 more source
The cold dark matter density perturbation [PDF]
117 pages.
David H. Lyth, Andrew R. Liddle
openaire +3 more sources
DUNE Prospect for Leptophobic Dark Matter
Highly energetic proton/electron beam fixed-target experiments extend an opportunity to probe the sub-GeV dark matter and associated interactions. In this work, we have explored the sensitivity of DUNE (Deep Underground Neutrino Experiment) for sub-GeV ...
Sabeeha Naaz, Jyotsna Singh, R. B. Singh
doaj +1 more source
To Observe, or Not to Observe, Quantum-Coherent Dark Matter in the Milky Way, That is a Question
In recent years, Bose-Einstein-condensed dark matter (BEC-DM) has become a popular alternative to standard, collisionless cold dark matter (CDM). This BEC-DM -also called scalar field dark matter (SFDM)- can suppress structure formation and thereby ...
Tanja Rindler-Daller
doaj +1 more source
Phenomenology of Dark Matter via a Bimetric Extension of General Relativity [PDF]
We propose a relativistic model of dark matter reproducing at once the concordance cosmological model $\Lambda$-Cold-Dark-Matter ($\Lambda$-CDM) at cosmological scales, and the phenomenology of the modified Newtonian dynamics (MOND) at galactic scales ...
Bernard, Laura, Blanchet, Luc
core +1 more source
Constraints on anharmonic corrections of fuzzy dark matter
The cold dark matter (CDM) scenario has proved successful in cosmology. However, we lack a fundamental understanding of its microscopic nature. Moreover, the apparent disagreement between CDM predictions and subgalactic-structure observations has ...
J. A. R. Cembranos+3 more
doaj +1 more source
Caustics are a generic feature of the nonlinear growth of structure in the dark matter distribution. If the dark matter were absolutely cold, its mass density would diverge at caustics, and the integrated annihilation probability would also diverge for ...
Alard+23 more
core +1 more source
Assessment of Dark Matter Models Using Dark Matter Correlations across Dwarf Spheroidal Galaxies
The predicted size of dark matter substructures in kilo-parsec scales is model-dependent. Therefore, if the correlations between dark matter mass densities as a function of the distances between them are measured via observations, we can scrutinize dark ...
Ahmad Borzou
doaj +1 more source
Observational evidence for self-interacting cold dark matter [PDF]
Cosmological models with cold dark matter composed of weakly interacting particles predict overly dense cores in the centers of galaxies and clusters and an overly large number of halos within the Local Group compared to actual observations.
A. A. de Laix+40 more
core +2 more sources