Journal article
Non-minimally coupled Natural Inflation: Palatini and Metric formalism with the recent BICEP/Keck
Journal of cosmology and astroparticle physics, Vol.2023(2), 063
02/01/2023
DOI: 10.1088/1475-7516/2023/02/063
Appears in UI Libraries Support Open Access
Abstract
In this work, we show the effect of the non-minimal coupling ii;.2R on the inflation-ary parameters by considering the single-field inflation and present the inflationary predictions of the appealing potential for the particle physics viewpoint: Natural Inflation, an axion-like inflaton which has a cosine-type periodic potential and the inflaton naturally emerges as a pseudo-Nambu-Goldstone boson with a spontaneously broken global symmetry. We present the inflationary predictions for this potential, ns, r, and alpha = dns/d ln k. In addition, we assume standard thermal history after inflation, and using this, for considered potential, we show compatible regions for the ns, r within the recent BICEP/Keck results.
Details
- Title: Subtitle
- Non-minimally coupled Natural Inflation: Palatini and Metric formalism with the recent BICEP/Keck
- Creators
- Nilay Bostan - University of Iowa, Physics and Astronomy
- Resource Type
- Journal article
- Publication Details
- Journal of cosmology and astroparticle physics, Vol.2023(2), 063
- DOI
- 10.1088/1475-7516/2023/02/063
- ISSN
- 1475-7516
- eISSN
- 1475-7516
- Publisher
- IOP Publishing
- Number of pages
- 16
- Language
- English
- Date published
- 02/01/2023
- Academic Unit
- Physics and Astronomy
- Record Identifier
- 9984414651402771
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