Scalar field dark matter with spontaneous symmetry breaking and the 3.5 keV line
We show that the present dark matter abundance can be accounted for by an oscillating scalar field that acquires both mass and a non-zero expectation value from interactions with the Higgs field. The dark matter scalar field can be sufficiently heavy during inflation, due to a non-minimal coupling t...
Main Authors: | Catarina Cosme, João G. Rosa, O. Bertolami |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2018-06-01
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Series: | Physics Letters B |
Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269318303563 |
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