• A de la Macorra

      Articles written in Pramana – Journal of Physics

    • Late time phase transition as dark energy

      A de la Macorra

      More Details Abstract Fulltext PDF

      We show that the dark energy field can naturally be described by the scalar condensates of a non-abelian gauge group. This gauge group is unified with the standard model gauge groups and it has a late time phase transition. The small phase transition explains why the positive acceleration of the universe is occurring only recently. The model hasno free parameters but for the matter content of the group. The initial energy density at the unification scale and at the condensation scale are fixed by the number of degrees of freedom of the gauge group.

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