N-photon amplitudes in a plane-wave background
نویسندگان
چکیده
We use the worldline formalism to derive master formulas for one-loop N-photon amplitudes in a plane-wave background, both scalar and spinor QED. This generalises previous work by Ilderton Torgrimsson vacuum polarisation case, although with some change methodology since, instead of evaluating path integral on semi-classical trajectory, we special kinematics background uncover crypto-gaussian character this type integral.
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ژورنال
عنوان ژورنال: Physics Letters B
سال: 2021
ISSN: ['0370-2693', '1873-2445']
DOI: https://doi.org/10.1016/j.physletb.2021.136696