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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20090219T000000
DTEND;TZID=Atlantic/Canary:20090219T010000
UID:iactalks-27
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/27
CREATED:2009-02-19T00:00:00+00:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:Cosmology on small scales: the structure of (mostly) dark matter ha
 los
DESCRIPTION:Cosmology on small scales: the structure of (mostly) dark matte
 r halos\nProf. Carlos Frenk\n\nThe standard model of cosmology -- the ``La
 mbda cold dark matter'' model -- is based on the idea that the dark matter
  is a collisionless elementary particle, probably a supersymmetric particl
 e. This model (which mostly dates back to an early workshop in Santa Barba
 ra in the 1980s) has been famously verified by observations of the cosmic 
 microwave background radiation and the large-scale distribution of galaxie
 s. However, the model has yet to be tested conclusively on the small scale
 s appropriate to most astronomical objects, such as galaxies and clusters.
  I will review our current understanding of the distribution of dark matte
 r on small scales which derives largely from large cosmological N-body sim
 ulations and I will discuss prospects for detecting dark matter, either th
 rough its gravitational effect on galaxies and clusters or, more directly,
  through gamma-ray annihilation radiation.\n
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