The emergence of our Universe
Abstract
We show how our Universe can emerge from a symmetry breaking of a multicomponent W3 algebra, where the components in addition form a Jordan algebra. We discuss how symmetry breaking related to the Jordan algebras H3(C) and H3(O) over the complex and octonion numbers can lead to an extended four-dimensional spacetime, where the expansion of the Universe is governed by a modified Friedmann equation. We finally discuss how this modified Friedmann equation might explain a number of puzzling cosmological observations.
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