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So the other day I reviewed a bit of quantum field theory and went through the Compton scattering calculation. To no ones surprise it was fairly simpel if you have a nice list of identities for rewriting the base results from the Feynman diagrams. See for exaxmple section 5.3 in http://arxiv.org/pdf/hep-th/0510040v4.pdf.

Is it possible to do something similar in string theory? That is, a really simple scattering amplitude calculated in a pedestrian way such that we can all understand it?

I searched a bit the other day but only found things which was way beyond what I could figure out in a short time. I've taken 1 course in bosonic string theory years ago but do not remember really trying to calculate anything explicitly( besides some 20 dimensions, unstable vacuum and a massless spin 2 excitation).

(BTW now I picked the graduate prefix but I really hope somebody can answer such that an undergrad can understand it. )

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# Simple calculation of Compton scattering in string theory

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