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math-ph2016
A special structure of the scattering operator and infrared divergences in quantum electrodynamics
Lev Sakhnovich
We assume that the unperturbed operators are known. Then, the fact that the scattering operators and the unperturbed operators are pairwise permutable provides some…
math-ph2016★ 3 cited
Generalized wave operators: dynamical and stationary cases and divergence problem
Lev Sakhnovich
Ideas and results of the generalized wave operator theory for dynamical and stationary cases are developed further and exact expressions for generalized scattering operators are ob…