- #1
ndung200790
- 519
- 0
Please teach me this:
Why we do not consider the divergences in loops in QED when p[itex]^{2}[/itex]→m[itex]^{2}[/itex] but only consider the soft photon when k[itex]^{2}[/itex]→0(IR divergence) and UV divergence?
Thank you very much in advance.
Why we do not consider the divergences in loops in QED when p[itex]^{2}[/itex]→m[itex]^{2}[/itex] but only consider the soft photon when k[itex]^{2}[/itex]→0(IR divergence) and UV divergence?
Thank you very much in advance.