Light scalars and the cosmos: Nambu–Goldstone and otherwise | Zendy

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Light scalars and the cosmos: Nambu–Goldstone and otherwise

Author(s) -

Michael Dine

Publication year - 2016

Publication title -

progress of theoretical and experimental physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.887

H-Index - 53

ISSN - 2050-3911

DOI - 10.1093/ptep/ptw141

Subject(s) - physics , axion , goldstone boson , inflation (cosmology) , particle physics , quantum chromodynamics , theoretical physics , eternal inflation , moduli , boson , dark matter , inflaton , quantum mechanics

... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . This talk focuses on the role of light scalars in cosmology, both Nambu–Goldstone bosons and pseudo moduli. The former include QCD axions, which might constitute the dark matter, and more general axions, which, under certain conditions, might play the role of inflatons, implementing natural inflation. The latter are the actors in (generalized) hybrid inflation. They rather naturally yield large field inflation, even mimicking chaotic inflation for suitable ranges of parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Subject Index B31

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