2 papers
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…
hep-th2025
Modified Microcausality from Perturbation Theory
Giordano Cintia, Federico Piazza, Samuel Ramos
Relativistic microcausality is the statement that local field operators commute outside the light-cone. This condition is known to break down in low-energy effective theories, such…