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Cosmological perturbations engendered by discrete relativistic species
- Source :
- European Physical Journal
- Publication Year :
- 2023
- Publisher :
- Springer, 2023.
-
Abstract
- Within the extension of the $$\varLambda $$ Λ CDM model, allowing for the presence of neutrinos or warm dark matter, we develop the analytical cosmological perturbation theory. It covers all spatial scales where the weak gravitational field regime represents a valid approximation. Discrete particles – the sources of the inhomogeneous gravitational field – may be relativistic. Similarly to the previously investigated case of nonrelativistic matter, the Yukawa interaction range is naturally incorporated into the first-order scalar metric corrections.
- Subjects :
- High Energy Physics - Theory
General Relativity and Quantum Cosmology
Cosmology and Nongalactic Astrophysics (astro-ph.CO)
High Energy Physics - Theory (hep-th)
FOS: Physical sciences
General Relativity and Quantum Cosmology (gr-qc)
Astrophysics - Cosmology and Nongalactic Astrophysics
Subjects
Details
- Language :
- English
- Database :
- OpenAIRE
- Journal :
- European Physical Journal
- Accession number :
- edsair.doi.dedup.....c289cafb8ff14e6e6e209e07264f3380