Inhomogeneous spacetimes as a dark energy model

Abstract

Tolman-Bondi inhomogeneous spacetimes are used as a cosmological model for type Ia supernova data. It is found that with certain parameter choices the model fits the data as well as the standard $\Lambda$CDM cosmology does.

9 pages, 6 figures, Added References

Cited by in corpus (21)

• Lemaitre-Tolman-Bondi model and accelerating expansion
• Time drift of cosmological redshifts as a test of the Copernican principle
• A Test of the Copernican Principle
• Looking the void in the eyes - the kSZ effect in LTB models
• The supernova Hubble diagram for off-center observers in a spherically symmetric inhomogeneous universe
• Luminosity distance in "Swiss cheese" cosmology with randomized voids: I. Single void size
• The radial BAO scale and Cosmic Shear, a new observable for Inhomogeneous Cosmologies
• The Cosmic Microwave Background in an Inhomogeneous Universe - why void models of dark energy are only weakly constrained by the CMB
• Reconciling the local void with the CMB
• Redshift Drift in LTB Void Universes
• Is there a concordance value for $H_0$?
• Swiss Cheese and a Cheesy CMB
• Dark Energy or Apparent Acceleration Due to a Relativistic Cosmological Model More Complex than FLRW?
• Systematic corrections to the measured cosmological constant as a result of local inhomogeneity
• Explicit Cosmological Coarse Graining via Spatial Averaging
• Analytical Estimate of the Effect of Spherical Inhomogeneities on Luminosity Distance and Redshift
• Can the Copernican principle be tested by cosmic neutrino background?
• Cosmology in Painleve-Gullstrand coordinates
• Maximal symmetry and metric-affine f(R) gravity
• APSIS - an Artificial Planetary System in Space to probe extra-dimensional gravity and MOND
• Szekeres Universes with GUP corrections