期刊
JOURNAL OF MATHEMATICAL PHYSICS
卷 41, 期 7, 页码 4437-4451出版社
AMER INST PHYSICS
DOI: 10.1063/1.533352
关键词
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A crucial element of scattering theory and the LSZ reduction formula is the assumption that the coupling vanishes at large times. This is known not to hold for the theories of the Standard Model and in general such asymptotic dynamics is not well understood. We give a description of asymptotic dynamics in field theories which incorporates the important features of weak convergence and physical boundary conditions. Applications to theories with three and four point interactions are presented and the results are shown to be completely consistent with the results of perturbation theory. (C) 2000 American Institute of Physics. [S0022-2488(00)02907-8].
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