Electroweak symmetry breaking in the inverse seesaw mechanism

Abstract

We investigate the stability of Higgs potential in inverse seesaw models. We derive the full two-loop RGEs of the relevant parameters, such as the quartic Higgs self-coupling, taking thresholds into account. We find that for relatively large Yukawa couplings the Higgs quartic self-coupling goes negative well below the Standard Model instability scale $\sim 10^{10}$ GeV. We show, however, that the ``dynamical'' inverse seesaw with spontaneous lepton number violation can lead to a completely consistent and stable Higgs vacuum up to the Planck scale.

arXiv comment29 pages, 13 figures

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Cited by in corpus (5)

• The symmetry approach to quark and lepton masses and mixing
• Portals into Higgs vacuum stability
• Dynamical inverse seesaw mechanism as a simple benchmark for electroweak breaking and Higgs boson studies
• Inverse Seesaw, dark matter and the Hubble tension
• Lepton-flavor changing decays and non-unitarity in the inverse seesaw mechanism