2016/03/31 by Orfeu Bertolami, Catarina Cosme, João G. Rosa · 2 citations
Physics and Astronomy · #Astrophysics #Boson #Cosmology #Cosmology and Gravitation Theories #Dark Matter and Cosmic Phenomena #Dark energy #Dark matter #Higgs boson #Higgs field #Inflation (cosmology) #Mathematical physics #Particle physics #Particle physics theoretical and experimental studies #Physics #Planck #Quantum electrodynamics #Scalar (mathematics) #Scalar boson #Scalar field #Scalar field dark matter #Theoretical physics #astro-ph.CO #gr-qc #hep-ph
paper · pdf · doi:10.1016/j.physletb.2016.05.047
8 pages, 2 figures, 1 appendix. Version to match the one published at Physics Letters B759, 1-8 (2016)
openalex publication_date 2016/05/18 · arxiv created 2016/05/30 · arxiv updated 2016/06/22 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We discuss the possibility that dark matter corresponds to an oscillating scalar field coupled to the Higgs boson. We argue that the initial field amplitude should generically be of the order of the Hubble parameter during inflation, as a result of its quasi-de Sitter fluctuations. This implies that such a field may account for the present dark matter abundance for masses in the range 10−6–10−4eV, if the tensor-to-scalar ratio is within the range of planned CMB experiments. We show that such mass values can naturally be obtained through either Planck-suppressed non-renormalizable interactions with the Higgs boson or, alternatively, through renormalizable interactions within the Randall–Sundrum scenario, where the dark matter scalar resides in the bulk of the warped extra-dimension and the Higgs is confined to the infrared brane.