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gr-qc2023
Towards a de Sitter quintom-like cosmology from a reduction of a 7-dimensional theory
Ricardo Escobedo, Roberto Santos-Silva, Claudia Moreno +1
In this article, we analyze a 7-dimensional theory that, upon dimensional reduction, transforms into an effective 4-dimensional action in which a generic metric is involved. A…
gr-qc2023★ 1 cited
Post-Newtonian Gravitational Waves with cosmological constant from the Einstein-Hilbert theory
Ricardo Escobedo, Claudia Moreno, Rafael Hernández-Jiménez
We study the Post-Newtonian approach implemented to the Einstein-Hilbert action adding the cosmological constant at 1PN order. We consider very small values of to derive th…