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Long-Wavelength Modes of Cosmological Scalar Fields

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arxiv hep-ph/0510009 v2 pith:SL7FHSWA submitted 2005-10-02 hep-ph astro-phgr-qc

Marcin Jankiewicz , Thomas W. Kephart This is my paper · ORCID
classification hep-phastro-phgr-qc
keywords fieldscosmologicalcoupledlong-wavelengthmodesscalaranalysisapproximation
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abstract

We give a numerical analysis of long-wavelength modes in the WKB approximation of cosmological scalar fields coupled to gravity via $\xi\phi^{2}R$. Massless fields are coupled conformally at $\xi=1/6$. Conformality can be preserved for fields of nonzero mass by shifting $\xi$. We discuss implications for density perturbations.

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Cited by 1 Pith paper

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  1. Black holes in Einstein-Gauss-Bonnet gravity with a background of modified Chaplygin gas

    gr-qc 2019-08 conditional novelty 4.0 of 10

    The authors obtain a static 5D Einstein-Gauss-Bonnet black hole solution surrounded by modified Chaplygin gas and analyze its thermodynamics, scalar tunneling, and perturbative stability.

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