Higgs inflation using the unstable standard model potential

نویسندگان

چکیده

It is likely that the Higgs potential of Standard Model unstable, turning negative at $\ensuremath{\phi}<\mathrm{\ensuremath{\Lambda}}\ensuremath{\sim}{10}^{10}\text{ }\text{ }\mathrm{GeV}$. Here we consider whether it possible to have inflation on positive stable region $\ensuremath{\phi}<\mathrm{\ensuremath{\Lambda}}$. To do this add a nonminimally coupled induced gravity sector with scalar $\ensuremath{\chi}$ Model. For an appropriate form for nonminimal coupling $\ensuremath{\chi}$, show conventional small $\ensuremath{\phi}<\mathrm{\ensuremath{\Lambda}}$ if effective Planck mass in Jordan frame during sufficiently small, phase transition $\ensuremath{\chi}\ensuremath{\ne}0$ end which increases its presently observed value. In Einstein corresponds suppression kinetic and term inflation. We predictions tree level are unaltered from inflation, exception magnitude field Hence, can be achieved using unmodified

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ژورنال

عنوان ژورنال: Physical review

سال: 2023

ISSN: ['0556-2813', '1538-4497', '1089-490X']

DOI: https://doi.org/10.1103/physrevd.108.055016