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hep-ph2023
Real effective potentials for phase transitions in models with extended scalar sectors
Károly Seller
The effective potential is a widely used phenomenological tool to investigate phase transitions occurring in the early Universe at finite temperature. In the standard perturbative…
hep-ph2023★ 3 cited
Real effective potentials for phase transitions in models with extended scalar sectors
Károly Seller, Zsolt Szép, Zoltán Trócsanyi
The effective potential obtained by loop expansion is usually not real in the range of field values explored by its minima during a phase transition. We apply the optimized perturb…