- #1
Neitrino
- 137
- 0
Hello PF,
If the the interacting field (phi^4 theory or QED) vacuum corresponds to bubbles for example: photon goes into electron-positron pair and then vice versa.. etc... etc...
To what does the free (non-interacting) field vacuum correspond?
10x
If the the interacting field (phi^4 theory or QED) vacuum corresponds to bubbles for example: photon goes into electron-positron pair and then vice versa.. etc... etc...
To what does the free (non-interacting) field vacuum correspond?
10x