Breakthroughs on the Dark Matter Issue

Details Breakthroughs on the Dark Matter Issue Breakthroughs on the Dark Matter Issue

1999-05-25

arxiv.org/abs/hep-ph/9905476v1

In `Venice99-Neutrino telescopes' vol.2, 169 (1999)

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages; Talk given by Antonio Masiero at the 8^th International Workshop on Neutrino Telescopes, 23-26 Feb. 1999, Venice, It

Scientific paper

Last year observations had a profound impact on our views on the amount and nature of dark matter in the universe. We give a brief review of the recent history of dark matter models beyond the pure cold dark matter universe. In view of the most recent cosmological data, we then go on to discuss models with a positive cosmological constant. Finally we explicitly analyse a class of particle physics models for a dynamical cosmological component with negative pressure (``quintessence''), in the context of supersymmetric theories.

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