Light scalars in the Weinberg 3HDM potential with spontaneous CP violation

R. Plantey, O. M. Ogreid, P. Osland +2

The ${\mathbb{Z}}_2\times {\mathbb{Z}}_2$-symmetric 3HDM potential, sometimes called Weinberg's 3HDM potential, can accommodate both explicit and spontaneous CP violation as well as natu…