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Higgs inflation at the critical point

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Higgs inflation can occur if the Standard Model is a self-consistent effective field theory up to inflationary scale. This leads to a lower bound on the Higgs boson mass, M_h > M_crit. If M_h is more than a few hundreds of MeV above the critical value, the Higgs inflation predicts the universal values of inflationary indexes, r = 0.003 and n_s = 0.97, independently on the Standard Model parameters. We show that in the vicinity of the critical point M_crit the inflationary indexes acquire an essential dependence on the mass of the top quark m_t and M_h, and can be consistent with BICEP 2 data.

This talk is part of the Cosmology Lunch series.

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