  Starting around 2013, data from the Large Synoptic Survey Telescope (LSST)
will be analyzed for a wide range of phenomena. By separately tracing the
development of mass structure and rate of expansion of the universe, these data
will address the physics of dark matter and dark energy, the possible existence
of modified gravity on large scales, large extra dimensions, the neutrino mass,
and possible self interaction of dark matter particles.
