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Starting from field equations, asymptotic condition, Wightman functions and using a mathematically correct definition ofT-products, a general scheme is developed to yield a divergence-free formulation of quantum field theory. Propagators, BetheSalpeter amplitudes, scattering matrix elements, sum rules and equal time commutation relations are discussed.  相似文献   

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Einstein's Field Theory with Tele-Parallelism and Dirac's Classical Theory of Electrons (Unified Field Theory with the Vector-Potential as a Reference-Tetrad) The Einstein-Maxwell theory of gravitation and electro-magnetism with Dirac-gauge AiAi = m2c4/e2 of the vector-potential Ai can be written as a purely geometrical field theory. The geometry of this field theory is Einstein's “Riemannian geometry with teleparallelism” and the vectorpotential is given by the time-like component of the tetrads h which define this tele-parallelism; we have -Physically, this unified field theory implies a generalization of the Einstein-Maxwell equations by introduction of a “current without current” describing Faraday's “gravoelectrical induction” corresponding with Dirac's electronic current λAi.  相似文献   

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Unified Field Theory with Tele-parallelism and Dirac's Electrodynamics. V (Asymptotical Conditions for Statical Tetrads) Discussion of the asymptotical behaviour of statical tetrad fields as solutions of the generalized Einstein-Maxwell equations in the unified field theory with Einsteinian tele-parallelism. Such solutions should give stationary clouds of the classical electron-fields by Dirac.  相似文献   

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