What's the importance of background field gauge?
Answers
Answered by
1
In theoretical physics, background field method is a useful procedure to calculate the effective action of a quantum field theory by expanding a quantum field around a classical "background" value B:
{\displaystyle \phi (x)=B(x)+\eta (x)}.
{\displaystyle \phi (x)=B(x)+\eta (x)}.
Answered by
4
background field method is a useful procedure to calculate the effective action of a quantum field theory by expanding a quantum field around a classical "background" value B:
{\displaystyle \phi (x)=B(x)+\eta (x)}.
{\displaystyle \phi (x)=B(x)+\eta (x)}.
Similar questions