• Open Access

Particle physics model of curvaton inflation in a stable universe

Zoltán Péli, István Nándori, and Zoltán Trócsányi
Phys. Rev. D 101, 063533 – Published 27 March 2020

Abstract

We investigate a particle physics model for cosmic inflation based on the following assumptions: (i) there are at least two complex scalar fields; (ii) the scalar potential is bounded from below and remains perturbative up to the Planck scale; (iii) we assume slow-roll inflation with maximally correlated adiabatic and entropy fluctuations 50–60 e-folds before the end of inflation. The energy scale of the inflation is set automatically by the model. Assuming also at least one massive right-handed neutrino, we explore the allowed parameter space of the scalar potential as a function of the Yukawa coupling of this neutrino.

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  • Received 26 November 2019
  • Revised 17 February 2020
  • Accepted 6 March 2020

DOI:https://doi.org/10.1103/PhysRevD.101.063533

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Particles & FieldsGravitation, Cosmology & Astrophysics

Authors & Affiliations

Zoltán Péli* and István Nándori

  • MTA-DE Particle Physics Research Group, H-4010 Debrecen, PO Box 105, Hungary

Zoltán Trócsányi

  • Institute for Theoretical Physics, ELTE Eötvös Loránd University, Pázmány Péter sétány 1/A, H-1117 Budapest, Hungary and MTA-DE Particle Physics Research Group, H-4010 Debrecen, PO Box 105, Hungary

Article Text

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Issue

Vol. 101, Iss. 6 — 15 March 2020

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