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Explore the theoretical framework and observational implications of interacting dark matter and dark energy in this 43-minute conference talk. Delve into how interactions between these mysterious cosmic components could modify our understanding of the universe's evolution, structure formation, and expansion history. Examine current theoretical models that allow for energy-momentum exchange between dark sectors, and discover how these interactions might resolve tensions in cosmological observations such as the Hubble constant discrepancy. Learn about the mathematical formalism used to describe these interactions, their effects on cosmic microwave background anisotropies, and constraints from large-scale structure surveys. Investigate how interacting dark sector models compare to the standard Lambda-CDM cosmology and understand the observational signatures that could distinguish between different interaction scenarios in future cosmological surveys.
