The Physics & Astronomy Colloquium Series presents Chanda Prescod-Weinstein of University of New Hampshire, Durham on “Large Scale Structure from Microphysics” on Friday, Feb. 12, at 4:10 p.m. at an Online Departmental Colloquium.
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Abstract: In this talk, I will describe my efforts to understand the nature of the mysterious dark matter. I provide an overview of the general problem and then describe my current approach to it, which is to characterize the behavior of a proposed dark matter particle, the axion. I will give some insight into how I am using a range of tools — model building, computation, and high energy astrophysics — to get at the basic question of “what is the statistical mechanics of axion dark matter?”
I will discuss work that shows that the self-interaction should not be ignored and that the sign of the interaction makes a significant difference in the evolution of the system, both for QCD axions and fuzzy dark matter.
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