Physics & Astronomy Seminar - Sarah Eftekharzadeh, University of Wyoming
Title: "Extreme Quasar Clustering From Small to Large Scales."
Abstract: Quasar clustering measurement across a range of redshifts are a powerful tool by which to characterize the interplay between dark matter halos, galaxies and quasars. Estimates of how the mean mass of the dark matter halos which quasars inhabit evolves with time, can potentially constrain scenarios in which the quasar phase is triggered in different dark matter environments as the Universe progresses. On the other hand, the observationally supported fact that luminous quasars peak in number density at moderate redshifts, has made the redshift range of 2 < z < 3 the most promising epoch for understanding how quasar feedback and dark matter environment are related. After a brief review of the concept and method, I introduce BOSS and eBOSS surveys that provide the largest spectroscopic quasar samples ever used for clustering measurement at 0.9 < z < 3.5. I then summarize few projects related to quasar clustering from small to large scales.