In a two-scalar dark sector, non-equilibrium phase-space evolution during sequential freeze-in alters the dark matter relic abundance by up to an order of magnitude relative to the standard number-density treatment.
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Super-resonant dark matter at O(100) GeV masses amplifies self-scattering and annihilation cross sections via combined resonance and Sommerfeld effects, necessitating coupled Boltzmann equations to match observed relic density.
The cS2HDM unifies a pseudo-Nambu-Goldstone dark matter candidate with electroweak baryogenesis in a two-Higgs-doublet plus complex singlet setup, featuring naturally suppressed DM-nucleon scattering and CP-violating Higgs interactions under flavour alignment.
citing papers explorer
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Exploring non-equilibrium effects in sequential freeze-in
In a two-scalar dark sector, non-equilibrium phase-space evolution during sequential freeze-in alters the dark matter relic abundance by up to an order of magnitude relative to the standard number-density treatment.
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Self-Interaction of Super-Resonant Dark Matter
Super-resonant dark matter at O(100) GeV masses amplifies self-scattering and annihilation cross sections via combined resonance and Sommerfeld effects, necessitating coupled Boltzmann equations to match observed relic density.
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Towards a Unified Framework for Pseudo-Nambu-Goldstone Dark Matter and Electroweak Baryogenesis
The cS2HDM unifies a pseudo-Nambu-Goldstone dark matter candidate with electroweak baryogenesis in a two-Higgs-doublet plus complex singlet setup, featuring naturally suppressed DM-nucleon scattering and CP-violating Higgs interactions under flavour alignment.