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- W4287828384 abstract "Scalar field cosmologies with a generalized harmonic potential are investigated in flat and negatively curved Friedmann-Lema^itre-Robertson-Walker and Bianchi I metrics. An interaction between the scalar field and matter is considered. Asymptotic methods and averaging theory are used to obtain relevant information about the solution space. In this approach, the Hubble parameter plays the role of a time-dependent perturbation parameter which controls the magnitude of the error between full-system and time-averaged solutions as it decreases. Our approach is used to show that full and time-averaged systems have the same asymptotic behavior. Numerical simulations are presented as evidence of such behavior. Moreover, the asymptotic behavior of the solutions is independent of the coupling function." @default.
- W4287828384 created "2022-07-26" @default.
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- W4287828384 date "2020-03-07" @default.
- W4287828384 modified "2023-09-26" @default.
- W4287828384 title "A Perturbative Analysis of Interacting Scalar Field Cosmologies" @default.
- W4287828384 doi "https://doi.org/10.48550/arxiv.2003.03563" @default.
- W4287828384 hasPublicationYear "2020" @default.
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