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hep-th2024
Celestial Mellin Amplitudes
Francesca Pacifico, Paolo Pergola, Charlotte Sleight
Holographic correlators on the celestial sphere of Minkowski space were recently defined in arXiv:2301.01810 as the extrapolation of bulk time-ordered correlation functions to the…
hep-th2024
Cosmological Correlators for Bogoliubov Initial States
Alistair J. Chopping, Charlotte Sleight, Massimo Taronna
We consider late-time correlators in de Sitter (dS) space for initial states related to the Bunch-Davies vacuum by a Bogoliubov transformation. We propose to study such late-time c…