A two-component dark matter extension of the scotogenic model in which both dark matter particles participate in the CP violation that generates the observed baryon asymmetry at the TeV scale.
Dynamics of the pseudo-FIMP in presence of a thermal Dark Matter
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abstract
We demonstrate that in a two component dark matter (DM) set up, when DM$_1$ is equilibrated with the thermal bath, the other DM$_2$, in spite of having feeble or negligible interaction with the SM particles, can be brought to equilibrium just by having sizeable interaction with DM$_1$. We propose that such DM candidates (DM$_2$) should be classified into a category called pseudo-FIMP (pFIMP) having unique freeze-out characteristics which depend on the thermal DM partner. The draft elaborates upon the pFIMP properties from a generic coupled Boltzmann Equations (cBEQ) in a model independent way, followed by a concrete model illustration.
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Two-component Dark Matter and low scale Thermal Leptogenesis
A two-component dark matter extension of the scotogenic model in which both dark matter particles participate in the CP violation that generates the observed baryon asymmetry at the TeV scale.