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Explore advanced concepts in deep infrared physics on de Sitter spacetime through this 58-minute conference talk delivered at the Galileo Galilei Institute. Delve into the theoretical foundations and mathematical frameworks governing infrared behavior in de Sitter space, examining how quantum field theory manifests in this curved spacetime geometry. Investigate the unique challenges and phenomena that emerge when studying infrared physics in cosmological contexts, including the role of de Sitter horizons and their impact on field correlations. Analyze the implications for our understanding of quantum gravity, cosmological perturbations, and the fundamental structure of spacetime at large scales. Gain insights into cutting-edge research methodologies used to probe these deep infrared regimes and their potential connections to observable cosmological phenomena.
