Asymptotic Conditions and Perturbation Theory

descriptionPublicationkeyboard_double_arrow_right Article 01 Jul 1960 English Publisher:American Physical Society (APS)Journal:Physical Review, volume 119, pages 485-498 (issn: 0031-899X,

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Authors: Nishijima, K.;

doi: 10.1103/physrev.119.485

Asymptotic Conditions and Perturbation Theory

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Abstract

The formulation of field theories based on few postulates but not using Lagrangian, Hamiltonian, or field equations has been investigated by many authors. In such a theory the coupled integral equations for Green's functions play the role of a substitute for field equations and serve to determine various physical quantities from the theory. In this paper we give a general prescription for the systematic solution of the coupled integral equations in perturbation theory.

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University of Illinois at Urbana Champaign
United States
University of Illinois System
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Osaka Metropolitan University
Japan

Keywords

quantum theory

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