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Scalar Cosmological Perturbations

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arxiv 2007.04423 v1 pith:4HZJT2PV submitted 2020-07-08 gr-qc

Truman Tapia , Clara Rojas This is my paper · ORCID
classification gr-qc
keywords perturbationsscalarcosmologicaldeviationfirstordercalculatedchristoffel
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In this paper we present the study of the scalar cosmological perturbations of a single field inflationary model up to first order in deviation. The Christoffel symbols and the tensorial quantities are calculated explicitly in function of the cosmic time t. The Einstein equations are solved up-to first order in deviation and the scalar perturbations equation is derived.

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  1. Emergent scalar field dynamics in a cosmological spacetime from GFT quantum gravity

    gr-qc 2026-08 conditional novelty 6.0 of 10

    From GFT condensate cosmology, the authors derive an effective scalar field equation and a modified dispersion relation with dispersive and dissipative quantum gravity corrections.

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