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Late time Acceleration and Role of Skewness in Anisotropic models (1407.7791v1)
Published 26 Jul 2014 in gr-qc
Abstract: We study cosmological models with anisotropy in expansion rates in the context of the recent observations predicting an accelerating universe. In the absence of any anisotropy in the cosmic fluid, it is shown that the role of skewness in directional Hubble rates is crucial in deciding the behavior of the model. We find that incorporation of skewness leads to a more evolving effective equation of state parameter.