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hep-th2024
Spectral Representation of Cosmological Correlators
Denis Werth
Cosmological correlation functions are significantly more complex than their flat-space analogues, such as tree-level scattering amplitudes. While these amplitudes have simple anal…
astro-ph.CO2024★ 21 cited
CosmoFlow: Python Package for Cosmological Correlators
Denis Werth, Lucas Pinol, Sébastien Renaux-Petel
Cosmological correlators hold the key to high-energy physics as they probe the earliest moments of our Universe, and conceal hidden mathematical structures. However, even at tree-l…