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hep-th2023
Handbook of derivative AdS amplitudes
Adam Bzowski
In the 2022 study, together with Paul McFadden and Kostas Skenderis, I analyzed tree-level 3- and 4-point Witten diagrams (amplitudes) of scalar operators in anti-de Sitter space i…
hep-th2023
Renormalisation of IR divergences and holography in de Sitter
Adam Bzowski, Paul McFadden, Kostas Skenderis
We formulate a renormalisation procedure for IR divergences of tree-level in-in late-time de Sitter correlators. These divergences are due to the infinite volume of spacetime and a…