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Power-law cosmology, SN Ia, and BAO

Published 10 Jun 2014 in astro-ph.CO | (1406.2445v2)

Abstract: We revise observational constraints on the class of models of modified gravity which at low redshifts lead to a power-law cosmology. To this end we use available public data on Supernova Ia and on baryon acoustic oscillations. We show that the expansion regime $a(t) \sim t{\beta}$ with $\beta$ close to 3/2 a spatially flat universe is a good fit to these data.

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Authors (3)

  1. A. Dolgov 
  2. V. Halenka 
  3. I. Tkachev 

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