Quantum Propagators for Geodesic Congruences

Miguel Socolovsky, Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Cd. Universitaria, 04510, Ciudad de México, México
2021 Theoretical Physics  
Using the Raychaudhuri equation, we show that a quantum probability amplitude (Feynman propagator) can be univocally associated to any timelike or null affinely parametrized geodesic congruence.
doi:10.22606/tp.2021.62001 fatcat:z3ecc4udqjfwli25q7wtyfigii