Constraints from observational data for a running cosmological constant and warm dark matter with curvature

Abstract

It is known than the inclusion of spatial curvature can modify the evolution of matter perturbations and affect the Large Scale Structure (LSS) formation. We quantify the effects of the non-zero space curvature in terms of LSS formation for a cosmological model with a running vacuum energy density and a warm dark matter component. The evolution of density perturbations and the modified shape of its power spectrum are constructed and analyzed.

arXiv comment19 pages, 3 figures, 1 table. Two misprints corrected, accepted in "Gravitation and Cosmology"

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• Using Pantheon and DES supernova, baryon acoustic oscillation, and Hubble parameter data to constrain the Hubble constant, dark energy dynamics, and spatial curvature
• Determining the range of validity of quasar X-ray and UV flux measurements for constraining cosmological model parameters
• Cosmological constraints from higher-redshift gamma-ray burst, HII starburst galaxy, and quasar (and other) data
• Qualitative dynamics of interacting vacuum cosmologies
• Scale-dependent cosmology from effective quantum gravity in the invariant framework
• Tilted non-spatially-flat inflation
• Analytical warm dark matter power spectrum on small scales
• Effective quantum gravity, cosmological constant and the Standard Model of particle physics
• Scalar field theory for warm dark matter