Geodesic
The technique of Feynman diagrams for the Lippman-Schwinger equation with a singular potential
Sibirskij žurnal industrialʹnoj matematiki, Tome 6 (2003) no. 4, pp. 3-10 
A. N. Bondarenko. The technique of Feynman diagrams for the Lippman-Schwinger equation with a singular potential. Sibirskij žurnal industrialʹnoj matematiki, Tome 6 (2003) no. 4, pp. 3-10. http://geodesic.mathdoc.fr/item/SJIM_2003_6_4_a0/
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Voir la notice de l'article provenant de la source Math-Net.Ru

We analyze the singular structure of the leading front of a wave of photon density in a random medium with delta-like singularities. The investigation is based on the technique of Feynman diagrams.

[1] Bondarenko A. N., “Obratnye zadachi rasseyaniya dlya uravneniya tipa Lippmana–Shvingera”, Sib. zhurn. industr. matematiki, 6:3(15) (2003), 18–33 | MR | Zbl

[2] Feinman R., Kvantovaya elektrodinamika, Mir, M., 1964

[3] Schwartz L., Théorie des Distributions, Hermann, Paris, 1966 | MR

[4] Antosik P., Mikusinski J., Sikorski R., Theory of Distributions. The Sequential Approach, Amsterdam; Warszawa, 1973 | MR