- #1
center o bass
- 560
- 2
Hi! I've seen it stated that because of Lorenz and translational invariance
[tex] \langle 0| \phi(x) |0 \rangle [/tex]
has to be a constant and I wondered how to formally verify this?
[tex] \langle 0| \phi(x) |0 \rangle [/tex]
has to be a constant and I wondered how to formally verify this?