Particle Seminar: Kim Boddy (UT Austin), Title: Enhancements of Small-Scale Structure

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Title: Enhancements of Small-Scale Structure

Abstract: While the concordance LCDM model of cosmology well-describes the observed large-scale structure of the Universe, models of new physics predict enhancements of small-scale power, for which observations are limited and theoretical predictions carry more uncertainty. In this talk, I will discuss how various cosmological observables are or can be used to probe blue-tilted enhancements of the matter power spectrum, as well as the challenges that arise in interpreting the impact for new physics.