Cosmological parameters are dressed

Preprint

15 October 2002

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.gr-qc/0210045

Abstract

In the context of the averaging problem in relativistic cosmology, we provide a key to the interpretation of cosmological parameters by taking into account the actual inhomogeneous geometry of the Universe. We discuss the relation between `bare' cosmological parameters determining the cosmological model, and the parameters interpreted by observers with a ``Friedmannian bias'', which are `dressed' by the smoothed-out geometrical inhomogeneities of the surveyed spatial region.

Keywords

COSMOLOGICAL PARAMETERS
RELATIVISTIC COSMOLOGY
PARAMETERS ARE DRESSED
AVERAGING PROBLEM
SMOOTHED
GEOMETRY
SURVEYED
BIAS

All Related Versions

Version 1, 2002-10-15, ArXiv
Published version: Physical Review Letters, 90 (3), 031101.

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