arXiv:1910.08662·v1·High Energy Physics — Phenomenology
One-Loop Charge-Breaking Minima in the Two-Higgs Doublet Model
Pedro M. Ferreira🇵🇹 · Logan A. Morrison🇺🇸 · Stefano Profumo🇺🇸
Abstract
We analyze the vacuum structure of the one-loop effective potential in the two Higgs doublet model. We find that electroweak-breaking vacuua can coexist with charge breaking ones, contradicting a theorem valid at tree-level. We perform a numerical analysis of the model and supply explicit parameter values for which charge-breaking vacuua can be the global minimum of the theory, and deeper than charge-preserving ones.
Comments: 32 pages, 4 Figures