Cosmic no-hair theorem with a varying cosmological constant on brane scenario

Details Cosmic no-hair theorem with a varying cosmological constant on brane scenario Cosmic no-hair theorem with a varying cosmological constant on brane scenario

Jul 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002cqgra..19.3775c&link_type=abstract

Classical and Quantum Gravity, Volume 19, Issue 14, pp. 3775-3781 (2002).

Mathematics

Logic

4

Scientific paper

In this work, we have studied cosmic no-hair theorem for homogeneous anisotropic Bianchi models with a varying cosmological constant (Λ) in Randall-Sundrum braneworld-type scenarios. The matter fields are confined over the 3-brane onto which the five-dimensional Weyl tensor has a non-vanishing projection. The variation of Λ is taken to be the recently proposed form of Vishwakarma and its generalization. In the first case, the universe will isotropize after power-law inflation while there is exponential expansion in the second case.

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