|
of Large-Scale Structure in the Universe Jean Quashnock University of Chicago Quasar absorption-line systems are particularly effective tracers of the growth and evolution of large-scale structure in the universe. I first review our present understanding of large-scale structure. I then present my work which shows how quasar absorption-line systems extend that knowledge by tracing both the amplitude of the large-scale structure (on scales of up to hundreds of megaparsecs) and its evolution over cosmic time. Ultimately this knowledge can be used to constrain the cosmological parameters, since, in the gravitational instability picture, the evolution of large-scale structure depends sensitively on the mean mass density and the cosmological constant.
Tuesday, November 10th 1998, 13:00 |