Abstract:
Theorems about the infrared convergence of Green's functions in an arbitrary theory including massless particles are formulated. Renormalization procedure in such theories is discussed.
Citation:
S. A. Anikin, O. I. Zavialov, N. I. Karchev, “Infrared divergences of Green's functions and renormalization in massless theories. I”, TMF, 44:3 (1980), 291–306; Theoret. and Math. Phys., 44:3 (1980), 751–760