2002 (IPP)
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Item New vistas in braneworld cosmology(2002-03-21) Sahni, Varun; Shtanov, YuriTraditionally, higher-dimensional cosmological models have sought to pro- vide a description of the fundamental forces in terms of a unifying geometri- cal construction. In this essay we discuss how, in their present incarnation, higher-dimensional ‘braneworld’ models might provide answers to a number of cosmological puzzles including the issue of dark energy and the nature of the big-bang singularity