4 papers
Defect-Mediated Conversion: Dark Matter from Cosmological Domain-Wall Scattering
João Paulo Pinheiro, Mohamed Younes Sassi
We propose a new mechanism for dark matter genesis, \emph{Defect-Mediated Conversion} (DMC). Cosmological domain walls can host a scalar condensate in their core acting as a mixing…
Vacuum Instability and False Vacuum Decay Induced by Domain Walls in the N2HDM
Mohamed Younes Sassi, Gudrid Moortgat-Pick
The Next-to-Two-Higgs-Doublet model (N2HDM) has a rich vacuum structure where multiple electroweak (EW) breaking minima, as well as CP and electric-charge breaking minima, can coex…
Electroweak Symmetry Restoration in Extended Higgs Sectors via Domain Walls
Mohamed Younes Sassi, Gudrid Moortgat-Pick
Domain walls are a type of topological defects that can arise in the early universe after the spontaneous breaking of a discrete symmetry. This occurs in several beyond Standard Mo…
Electroweak Symmetry Restoration in the N2HDM via Domain Walls
Mohamed Younes Sassi, Gudrid Moortgat-Pick
Domain walls are a type of topological defects that can arise in the early universe after the spontaneous breaking of a discrete symmetry. They can form in several beyond the Stand…