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Results tagged with dimensional-regularization
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user 181792
Dimensional regularization is a method of isolating divergencies in scattering amplitudes.
5
votes
3
answers
328
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Disadvantages of dimensional regularization as a regularization method
Is there any disadvantage or symmetry violation caused by choosing such regularization method? Like, Hard cut-off regularization that violates gauge symmetry in QED.
Is there such a practical instance …
- 1,280
2
votes
0
answers
91
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A problem in IR expansion of the effective field theory
On page 43 of Manohar notes on effective field theories, he argues that since all the integrals in EFT are scale less when expanded in terms of the IR parameter, they all vanish.
To me it seems absolu …
- 1,280