Generalized covariant prescriptions for averaging cosmological observables

DOI10.1088/1475-7516/2020/02/017zbMath1490.85007arXiv1911.09469OpenAlexW3104586392MaRDI QIDQ5067849

Giuseppe Fanizza, M. Gasperini, Gabriele Veneziano, Giovanni Marozzi

Publication date: 4 April 2022

Published in: Journal of Cosmology and Astroparticle Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1911.09469

zbMATH Keywords

gravitycosmological perturbation theorycosmological parameters from LSSsupernova type Ia-standard candles

Mathematics Subject Classification ID

Relativistic cosmology (83F05) Diffraction, scattering (78A45) Electromagnetic fields in general relativity and gravitational theory (83C50) Perturbations in context of PDEs (35B20) Galactic and stellar structure (85A15) Hypersurfaces and algebraic geometry (14J70) Radiative transfer in astronomy and astrophysics (85A25)

Related Items (9)

On average properties of inhomogeneous fluids in general relativity. III: General fluid cosmologies ⋮ Synchronous coordinates and gauge-invariant observables in cosmological spacetimes ⋮ The gauge invariant cosmological Jacobi map from weak lensing at leading order ⋮ An almost FLRW universe as an averaged geometry in macroscopic gravity ⋮ The averaging problem on the past null cone in inhomogeneous dust cosmologies ⋮ Gauge invariance on the light-cone: curvature perturbations and radiative degrees of freedom ⋮ Applications of the Hawking energy on lightcones in cosmology ⋮ Emergence of time ⋮ The cosmological perturbation theory on the Geodesic Light-Cone background

Cites Work

• Time of flight of ultra-relativistic particles in a realistic Universe: a viable tool for fundamental physics?
• Large-scale galaxy bias
• On average properties of inhomogeneous fluids in general relativity: Dust cosmologies
• On the covariance of scalar averaging and backreaction in relativistic inhomogeneous cosmology
• Gauge-transformation properties of cosmological observables and its application to the light-cone average
• Gauge-invariance and infrared divergences in the luminosity distance
• Cosmological backreaction and its dependence on spacetime foliation
• Observation angles, Fermi coordinates, and the Geodesic-Light-Cone gauge
• On average properties of inhomogeneous fluids in general relativity: Perfect fluid cosmologies

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