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- W1994867416 abstract "The magnitude of primordial tensor perturbations reported by the BICEP2 experiment is consistent with simple models of chaotic inflation driven by a single scalar field with a power-law potential ∝ ϕn : n ≃ 2, in contrast to the WMAP and Planck results, which favored models resembling the Starobinsky R+R2 model if running of the scalar spectral index could be neglected. While models of inflation with a quadratic potential may be constructed in simple N = 1 supergravity, these constructions are more challenging in no-scale supergravity. We discuss here how quadratic inflation can be accommodated within supergravity, focusing primarily on the no-scale case. We also argue that the quadratic inflaton may be identified with the supersymmetric partner of a singlet (right-handed) neutrino, whose subsequent decay could have generated the baryon asymmetry via leptogenesis." @default.
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- W1994867416 date "2014-05-27" @default.
- W1994867416 modified "2023-10-16" @default.
- W1994867416 title "Resurrecting quadratic inflation in no-scale supergravity in light of BICEP2" @default.
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- W1994867416 doi "https://doi.org/10.1088/1475-7516/2014/05/037" @default.
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