Features in the Inflaton Potential and the Spectrum of Cosmological Perturbations

Dalianis, Ioannis

doi:10.1007/978-3-031-55098-0_13

Compact Objects in the Universe 2024

DOI: 10.1007/978-3-031-55098-0_13

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Features in the Inflaton Potential and the Spectrum of Cosmological Perturbations

Ioannis Dalianis

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2024

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Primordial Perturbations Including Second-Order Derivatives of the Inflationary Potential

Custodio,

Ghezzi,

Magalhaes

et al. 2024

Symmetry

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In inflationary cosmology, the form of the potential is still an open problem. In this work, second-order effects of the inflationary potential are evaluated and related to the known formula for the primordial perturbations at a wide range of scales. We found effects that may help to unravel the unknown inflationary potential form and impose new constraints on the parameters that define this potential. In particular, we demonstrate that even slight deviations in the inflationary potential can lead to significant differences in the calculated spectra if inflation persists sufficiently long and the normal modes of perturbations are affected by these variations.

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Primordial Perturbations Including Second-Order Derivatives of the Inflationary Potential

Custodio,

Ghezzi,

Magalhaes

et al. 2024

Symmetry

View full text Add to dashboard Cite

show abstract

scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.

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Features in the Inflaton Potential and the Spectrum of Cosmological Perturbations

Cited by 1 publication

References 90 publications

Primordial Perturbations Including Second-Order Derivatives of the Inflationary Potential

Primordial Perturbations Including Second-Order Derivatives of the Inflationary Potential

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