Cosmological Anisotropy and the Cycling of Universe

Details Cosmological Anisotropy and the Cycling of Universe Cosmological Anisotropy and the Cycling of Universe

2003-03-12

arxiv.org/abs/hep-th/0303110v3

Physics

High Energy Physics

High Energy Physics - Theory

13 pages, no figure. typos corrected. The contents has been extended to include the open as well as closed universe

Scientific paper

In this paper, we analyze the anisotropy of the scale factor in the Kantowski-Sachs spacetime. We show that the anisotropy will not increase when the expansion rate is greater than certain values while it will increase when the expansion rate is less than that value or the Universe is contracting. It is manifested that the matter dominated and radiation dominated era favor the flat spacetime if the anisotropy does not develop significantly. The relation between the cosmological anisotropy and the red-shift of the supernovae, which could be used to verify the anisotropy through the observation, has been derived.

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