- #1
Heidi
- 418
- 40
- TL;DR Summary
- Role of the self energy
Hi Pf
I read that in the light propagator there are loops of electrons. What would be the consequences if
we could switch them off (or neglect them)? would it modify the speed of the photons?
I read that in the light propagator there are loops of electrons. What would be the consequences if
we could switch them off (or neglect them)? would it modify the speed of the photons?