False Vacuum Higgs Inflation and the Graviweak Unification

Abstract

In the present paper we develop a model of the Higgs inflation based on the non-minimal coupling of the Higgs boson to gravity predicted by Graviweak Unification. But later we get rid of the non-minimal coupling to gravity by making the conformal transformation from the Jordan frame to the Einstein frame. We construct a self-consistent $Spin(4,4)$-invariant model of the unification of gravity with weak $SU(2)$ interactions in the assumption of the existence of visible and invisible sectors of the Universe. Assuming the interaction between the ordinary and mirror Higgs fields, we develop a special Hybrid model of inflation. According to this model, the inflaton starts trapped from the "false vacuum" of the Universe at the Higgs field VEV $v\sim 10^{18}$ GeV (in the visible world). Then the inflations of the two Higgs doublet fields, visible $\varphi$ and mirror ${\varphi }^{\prime }$, lead to the emergence of the Standard Model vacua at the Electroweak scales with the Higgs boson VEVs $v_1\approx 246$ GeV and $v_1^{\prime }=\zeta v_1$ in the visible and invisible worlds, respectively. Considering the results of cosmology and calculating the number of e-folds $N^{\ast }$, we predict $\zeta \simeq 100-115$ for $N^{\ast }\simeq 50-60$, in agreement with previous results of the model with broken mirror parity. We also consider RGEs, taking into account the mixing term - the interaction between the ordinary and mirror Higgs bosons, assuming the smallness of the mixing coupling.

25 pages. arXiv admin note: substantial text overlap with arXiv:1503.03911; text overlap with arXiv:1002.4275, arXiv:1412.3811 by other authors

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Cited by in corpus (1)

• Beyond the standard model with six-dimensional spinors