Particle Physics in Birmingham

Particle Physics Seminar

Wednesday 1st July 2020 at 13:30

(virtual tea, coffee and biscuits at 13:15)

Probabilities & Signalling in Quantum Field Theory

Jeffrey Forshaw(Manchester University)


I will talk about a way to compute transition probabilities that works directly at the level of probabilities and not amplitudes. The formalism guarantees that the initial and final states are always linked by a chain of retarded propagators, which means causality is manifest. It also has a nice diagrammatic approach that is different from the usual Feynman one.