4 papers
Baryon Asymmetry from Electroweak-Symmetric Domain Walls
Jacopo Azzola, Oleksii Matsedonskyi, Andreas Weiler
We investigate electroweak baryogenesis from domain walls with electroweak-symmetric cores moving through the electroweak-broken plasma. In the thick-wall regime, CP-violating semi…
Inverse Electroweak Baryogenesis
Jacopo Azzola, Oleksii Matsedonskyi, Andreas Weiler
We propose a mechanism for baryogenesis in which the baryon asymmetry is generated as an equilibrium response of weak sphalerons in a region where electroweak sphaleron transitions…
Minimal Electroweak Baryogenesis via Domain Walls
Jacopo Azzola, Oleksii Matsedonskyi, Andreas Weiler
The Standard Model extended by a real scalar singlet with an approximate symmetry offers a minimal framework for realizing electroweak baryogenesis (EWBG) during…
Hierarchies from Landscape Probability Gradients and Critical Boundaries
Oleksii Matsedonskyi
If the gradient of a probability distribution on a landscape of vacua aligns with the variation of some fundamental parameter, the parameter may be likely to take some non-generic…