I Compton scattering amplitude and propagator

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The discussion revolves around proving the propagator in the context of Compton scattering amplitude. The responder emphasizes that the explanation will depend on the participant's background in quantum field theory (QFT). They inquire about the individual's familiarity with concepts like quantizing the Dirac field and understanding propagation amplitudes. Clarifying the level of knowledge in QFT is essential for providing an appropriate response. The conversation highlights the importance of tailoring explanations to the audience's expertise in the subject.
Dhmht_Kr
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Hi everyone
How can i prove that the propagator is
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And then
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I'm afraid answering your questions will depend on the background you'd like the explanation to be standing in. In other words, what level of QFT physics you are interested in? For instance, can I assume you're aware of how to quantize the Dirac field and then get its propagation amplitudes?

If you let me know your overall level in QFT, I might be able to answer the above questions.
 

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