Gogoi, Antareep; Sharma, Ravi Kumar; Chanda, Prolay; Das, Subinoy
(IOP Publishing, 2021-07-10)
We present a novel scenario in which light (~few eV) dark fermions (sterile neutrinos) interact with a scalar field as in mass-varying neutrino dark energy theories. As the eV sterile states naturally become nonrelativistic ...