61 citations · 299 across the 14 of their papers we have counts for
4 papers · 1 filter
Isotropy theorem for cosmological Yang-Mills theories
J. A. R. Cembranos, A. L. Maroto, S. J. Núñez Jareño
We consider homogeneous non-abelian vector fields with general potential terms in an expanding universe. We find a mechanical analogy with a system of N interacting particles (with…
Dark matter origin of the gamma ray emission from the galactic center observed by HESS
J. A. R. Cembranos, V. Gammaldi, A. L. Maroto
We show that the gamma ray spectrum observed with the HESS array of Cherenkov telescopes coming from the Galactic Center (GC) region and identified with the source HESS J1745-290,…
Indirect constraints to branon dark matter
J. A. R. Cembranos, A. de la Cruz-Dombriz, V. Gammaldi +1
If the present dark matter in the Universe annihilates into Standard Model particles, it must contribute to the gamma ray fluxes detected on the Earth. Here we briefly review the p…
Modified spinning black holes
J. A. R. Cembranos, A. de la Cruz-Dombriz, P. Jimeno Romero
In the context of f(R) modified gravity theories we determine that the black holes existence is determined by the sign of a parameter dependent of the mass, the charge, the spin an…