Late-time effects of Planck-scale cosmology: dilatonic interpretation of the dark energy field

Details Late-time effects of Planck-scale cosmology: dilatonic interpretation of the dark energy field Late-time effects of Planck-scale cosmology: dilatonic interpretation of the dark energy field

2003-10-31

arxiv.org/abs/hep-th/0310293v1

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, latex, 4 figures included using epsf

Scientific paper

We present a model of dark energy based on the string effective action, and on the assumption that the dilaton is strongly coupled to dark matter. We discuss the main differences between this class of models and more conventional models of quintessence,uncoupled to dark matter. This paper is based on talks presented at the "VII Congresso Nazionale di Cosmologia" (Osservatorio Astronomico di Roma, Monte Porzio Catone, November 2002), and at the Meeting "Dark Energy Day" (University of Milano-Bicocca, November 2002). To appear in the Proc. of the International Conference on ``Thinking, Observing and Mining the Universe" (Sorrento, September 2003), eds. G. Longo and G. Miele (World Scientific, Singapore).

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