Scalar Field Evolution at Background and Perturbation Levels for a Broad Class of Potentials Article Swipe
Genly León
,
Saikat Chakraborty
,
Sayantan Ghosh
,
Raja Solanki
,
P. K. Sahoo
,
Esteban González
·
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.1002/prop.202300006
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.1002/prop.202300006
In this paper, a non‐interacting scalar field cosmology with an arbitrary potential using the f ‐deviser method that relies on the differentiability properties of the potential is investigated. Using this alternative mathematical approach, a unified dynamical system analysis at a scalar field's background and perturbation levels with arbitrary potentials is presented. For illustration, a monomial and double exponential potential is considered. These two classes of potentials comprise the asymptotic behavior of several classes of scalar field potentials, and, therefore, they provide the skeleton for the typical behavior of arbitrary potentials. Moreover, the linear cosmological perturbations in the matterless case by considering three scalar perturbations: the evolution of the Bardeen potentials, the comoving curvature perturbation, the so‐called Sasaki‐Mukhanov variable, or the scalar field perturbation in uniform curvature gauge is analyzed. Finally, an exhaustive dynamical system analysis for each scalar perturbation is presented, including the evolution of Bardeen potentials in the presence of matter.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1002/prop.202300006
- https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/prop.202300006
- OA Status
- bronze
- Cited By
- 7
- References
- 182
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4385422750
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- OpenAlex ID
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https://openalex.org/W4385422750Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1002/prop.202300006Digital Object Identifier
- Title
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Scalar Field Evolution at Background and Perturbation Levels for a Broad Class of PotentialsWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2023Year of publication
- Publication date
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2023-07-30Full publication date if available
- Authors
-
Genly León, Saikat Chakraborty, Sayantan Ghosh, Raja Solanki, P. K. Sahoo, Esteban GonzálezList of authors in order
- Landing page
-
https://doi.org/10.1002/prop.202300006Publisher landing page
- PDF URL
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https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/prop.202300006Direct link to full text PDF
- Open access
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YesWhether a free full text is available
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bronzeOpen access status per OpenAlex
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https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/prop.202300006Direct OA link when available
- Concepts
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Scalar field, Perturbation (astronomy), Physics, Curvature, Mathematical physics, Differentiable function, Classical mechanics, Scalar (mathematics), Cosmology, Monomial, Mathematical analysis, Mathematics, Quantum mechanics, Pure mathematics, GeometryTop concepts (fields/topics) attached by OpenAlex
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7Total citation count in OpenAlex
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2025: 4, 2024: 3Per-year citation counts (last 5 years)
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182Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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