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Statefinder diagnostic for cosmology with the abnormally weighting energy hypothesis

Authors
  • Liu, Dao-Jun
  • Liu, Wei-Zhong
Type
Published Article
Publication Date
Nov 29, 2007
Submission Date
Nov 29, 2007
Identifiers
DOI: 10.1103/PhysRevD.77.027301
Source
arXiv
License
Unknown
External links

Abstract

In this paper, we apply the statefinder diagnostic to the cosmology with the Abnormally Weighting Energy hypothesis (AWE cosmology), in which dark energy in the observational (ordinary matter) frame results from the violation of weak equivalence principle (WEP) by pressureless matter. It is found that there exist closed loops in the statefinder plane, which is an interesting characteristic of the evolution trajectories of statefinder parameters and can be used to distinguish AWE cosmology from the other cosmological models.

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