WATCH: CCA Seminar with Daniel Angles-Alcazar

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Multi-scale physical modeling in galaxy formation and evolution

While observations across the electromagnetic spectrum are providing an increasingly detailed view of galaxy evolution across cosmic time, theoretical models face the challenge of understanding the multi-scale physical processes that connect stars and supermassive black holes to galaxies and their cosmological environment. I will show that cosmological hydrodynamic simulations are a crucial tool to interpret observations and improve our understanding of galaxy evolution, highlighting recent results on (1) the role of supernovae, stellar winds, and radiation from massive stars regulating galaxy growth, (2) the large-scale gas flows that connect galaxies and their surrounding circumgalactic medium, and (3) the co-evolution of galaxies and their central supermassive black holes. Looking forward, I will discuss the need for leveraging major advances in a variety of simulation methodologies and I will present novel techniques that will enable a more detailed understanding of the dominant physical processes operating over the full range of scales involved in galaxy evolution.

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