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Hubble expansion in warped braneworld model is addressed in presence of morethan one warped extra dimensions. It is shown that while the expansion dependson all the moduli, an exponential nature of the expansion of the scale factoremerges as a generic feature which is independent of the number of extradimensions. Expression for the effective brane cosmological constant in suchmodel has been derived. It is shown that similar to the 5-dimensionalRandall-Sundrum model a fine tuning between the bulk cosmological constant andbrane tension is required to obtain the desired cosmological constant on thebrane. The length of the extra dimensions are determined in such scenario.Finally introduing pressureless matter in the bulk an observationallyconsistent cosmology was obtained on the visible brane.

Cosmology and large mass hierarchy in multiply warped braneworld scenario