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Title: Constraints on holographic cosmologies from strong lensing systems

We use strongly gravitationally lensed (SGL) systems to put additional constraints on a set of holographic dark energy models. Data available in the literature (redshift and velocity dispersion) is used to obtain the Einstein radius and compare it with model predictions. We found that the ΛCDM is the best fit to the data. Although a preliminary statistical analysis seems to indicate that two of the holographic models studied show interesting agreement with observations, a stringent test lead us to the result that neither of the holographic models are competitive with the ΛCDM. These results highlight the importance of Strong Lensing measurements to provide additional observational constraints to alternative cosmological models, which are necessary to shed some light into the dark universe.
Authors:
; ;  [1] ;  [2]
  1. Departamento de Física y Astronomía, Facultad de Ciencias, Universidad de Valparaíso, Gran Bretaña, Valparaíso, 1111 Chile (Chile)
  2. Instituto de Física, Pontificia Universidad Católica de Valparaíso, Av. Brasil, Valparaíso, 2950 Chile (Chile)
Publication Date:
OSTI Identifier:
22369901
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Cosmology and Astroparticle Physics; Journal Volume: 2013; Journal Issue: 11; Other Information: Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
79 ASTROPHYSICS, COSMOLOGY AND ASTRONOMY; COMPARATIVE EVALUATIONS; COSMOLOGICAL MODELS; COSMOLOGY; GRAVITATIONAL LENSES; LEAD; LIMITING VALUES; NONLUMINOUS MATTER; RED SHIFT; UNIVERSE; VELOCITY; VISIBLE RADIATION