Tagged Questions
5
votes
1answer
139 views
Two-loop regularization
Working out some quantum field theory computations, I have to find out the value of the two-loop Feynman integral
$$
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16
votes
3answers
141 views
Regularization of the Casimir effect
For starters, let me say that although the Casimir effect is standard textbook stuff, the only QFT textbook I have in reach is Weinberg and he doesn't discuss it. So the only source I currently have ...
13
votes
5answers
130 views
Other processes than formal power series expansions in quantum field theory calculations
I am not sure if this question is too naive for this site, but here it goes. In QFT calculations, it seems that everything is rooted in formal power series expansions, i.e. , what dynamical systems ...
