Accelerating cosmologies tested by distance measures

@article{Barger2007AcceleratingCT,
  title={Accelerating cosmologies tested by distance measures},
  author={V. Barger and Y. Gao and D. Marfatia},
  journal={Physics Letters B},
  year={2007},
  volume={648},
  pages={127-132}
}
Abstract We test if the latest Gold set of 182 SNIa or the combined “Platinum” set of 192 SNIa from the ESSENCE and Gold sets, in conjunction with the CMB shift parameter show a preference between the Λ CDM model, three w CDM models, and the DGP model of modified gravity as an explanation for the current accelerating phase of the universe's expansion. We consider flat w CDM models with an equation of state w ( a ) that is (i) constant with scale factor a , (ii) varies as w 0 + w a ( 1 − a ) for… Expand
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