Cosmology and spacetime symmetries

Details Cosmology and spacetime symmetries Cosmology and spacetime symmetries

2005-08-31

arxiv.org/abs/hep-ph/0508316v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages; Prepared for New Worlds in Astroparticle Physics, Faro, Portugal, January 8-10, 2005

Scientific paper

Cosmological models often contain scalar fields, which can acquire global nonzero expectation values that change with the comoving time. Among the possible consequences of these scalar-field backgrounds, an accelerated cosmological expansion, varying couplings, and spacetime-symmetry violations have recently received considerable attention. This talk studies the interplay of these three key signatures of cosmologically varying scalars within a supergravity framework.

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