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Is there any discussion on what the LSZ theorem for photons looks like? I would rather like a discussion of this in axial gauge $A_0 = 0$ (instead of the usual Lorenz gauge), but anything would do.
This post imported from StackExchange Physics at 2014-03-05 14:44 (UCT), posted by SE-user Prahar
LSZ reduction for photons is discussed e.g. in (little) Chapter 56 of Srednicki's book
http://adsabs.harvard.edu/abs/2007qft..book.....S
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