Tagged Questions
5
votes
1answer
192 views
Residues in QFT propagator
It is a well known fact that the location of the pole of a propagator (in QFT) can be interpreted as the physical mass.
Is there an interpretation for the residue of the propagator?
Note: I´m ...
6
votes
4answers
563 views
Is QFT mathematically self-consistent?
After recently going through a short program of self-study in quantum mechanics, I was surprised to find a quote attributed to Feynman essentially saying he was extremely bothered by the computational ...