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hep-th2026
Gravitational Backreaction in de Sitter: A Canonical ADM Approach
Giordano Cintia
We develop a canonical ADM framework for gravitational backreaction during inflation. Our approach extends the formalism used to compute cosmological correlators by applying it to…
hep-th2026
Probabilistic Causality from Graviton Fluctuations
Giordano Cintia, Federico Piazza, Samuel Ramos
We compute the commutator of a scalar field minimally coupled to gravity at leading order in . The commutator is operator-valued, with terms involving derivatives of Dirac del…