Daisuke Ida JHEP09(2000)014 doi:10.1088/1126-6708/2000/09/014
Brane-world cosmology
Daisuke Ida1
Show affiliationsA simple model of the brane-world cosmology has been proposed, which is characterized by four parameters, namely, the bulk cosmological constant, the spatial curvature of the universe, the radiation strength arising from bulk space-time and the breaking parameter of 
2-symmetry. The bulk space-time is assumed to be locally static five-dimensional analogue of the Schwarzschild-Anti-de Sitter space-time, and then the location of three-brane is determined by the metric junction. The resulting Friedmann equation recovers the standard cosmology, and a new term arises if 2-symmetry is not assumed, which behaves as a cosmological term in the early universe, next turns to a negative curvature term, and finally damps rapidly.
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E-print Number: gr-qc/9912002
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Issue 09 ( 1 September 2000)
Received 19 June 2000, accepted for publication 11 September 2000
Published 10 October 2000
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Brane-world cosmology
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