Abstract: For models with extended Higgs sectors, minimizing the one-loop effective potential and calculating tunneling times between different minima can provide a competitive phenomenological constraint. In this talk we will discuss a method for finding the minima of the potential and tunneling times between physical and unphysical minima. As an example we will take a look at charge- and color- breaking minima in the MSSM both at zero and non-zero temperature and a quick glimpse at R-parity violation in the BL-SSM. We will see that when requiring compatibility with other phenomenological constraints, vacuum stability presents an even more challenging scenario for this models. We will also take a glimpse of two ongoing projects using this framework in low energy SUSY models with non-universal scalar and gaugino masses and in the general THDM.
Eliel Camargo-Molina (Lund University)
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This seminar is supported by Portuguese Funds through the CIDMA - Centre for Research and Development in Mathematics and Applications, and the Portuguese Foundation for Science and Technology ("FCT" - Fundação para a Ciência e a Tecnologia), within the project UID/MAT/04106/2013.
