Cosmological implications of Higgs near-criticality | Zendy

J. R. Espinosa | Zendy

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Cosmological implications of Higgs near-criticality

Author(s) -

J. R. Espinosa

Publication year - 2018

Publication title -

philosophical transactions of the royal society a mathematical physical and engineering sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.074

H-Index - 169

eISSN - 1471-2962

pISSN - 1364-503X

DOI - 10.1098/rsta.2017.0118

Subject(s) - electroweak interaction , higgs boson , false vacuum , physics , metastability , inflation (cosmology) , criticality , cosmology , particle physics , theoretical physics , physics beyond the standard model , vacuum state , astrophysics , quantum mechanics , nuclear physics

The Standard Model electroweak (EW) vacuum, in the absence of new physics below the Planck scale, lies very close to the boundary between stability and metastability, with the last option being the most probable. Several cosmological implications of this so-called ‘near-criticality’ are discussed. In the metastable vacuum case, the main challenges that the survival of the EW vacuum faces during the evolution of the Universe are analysed. In the stable vacuum case, the possibility of implementing Higgs inflation is critically examined. This article is part of the Theo Murphy meeting issue ‘Higgs cosmology’.

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