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Institute for the Physics and Mathematics of the UniverseWPI

IPMU Seminar

Date: July 2, 2008, 15:30 - 17:00
Place: Room 633, 6th floor, Research Centers Building, Kashiwa Campus of the University of Tokyo
Speaker: Kentaro Nagamine (U. Nevada)
Title: Galaxy Formation through Cosmic Time using Cosmological Hydrodynamic Simulations: successes and current issues
Abstract: Full understanding of galaxy formation requires extending the model from high-redshift to the present time. This necessitates enormous coverage in spatial and temporal range. Cosmological hydrodynamic simulations are one of the most useful tools in achieving this goal, because they allow self-consistent treatments of both gravitational and gas dynamics without resorting to simplified, approximate equations in nonlinear regimes. In this talk, I will give an overview of the study of galaxy formation using cosmological hydrodynamic simulations for non- experts, and describe the successes and failures of current simulations. I will also focus on the cosmic star formation history, stellar mass density, Ly-break galaxies, Ly-alpha emitters and damped Ly-alpha systems as useful probes of high-z galaxy formation.