Programme

P.65 -- Posters, VCTP-51

Date: Thursday, 6 August 2026

Time: 09:30 - 10:30

Two-component dark matter in an extended inert doublet model

N.T. Duy^(1)

(1) Institute of Physics, Vietnam Academy of Science and Technology

We investigate the multi-component dark matter problem within an extension of the inert doublet model stabilized by preserved discrete symmetries. This framework naturally accommodates co-existing stable fermionic and scalar fields as viable dark matter candidates. We comprehensively analyze the dark matter phenomenology of this multi-component system, detailing the unique annihilation and co-annihilation processes required to reproduce the measured dark matter relic abundance. We demonstrate that within an appropriate region of the parameter space, the model successfully yields the correct relic density while remaining fully compatible with current stringent limits from dark matter direct detection experiments.

Presenter: N.T.Duy