Structure of the Vertex Function

Stanley Deser; Walter Gilbert; E. C. G. Sudarshan

doi:10.1103/PhysRev.115.731

Structure of the Vertex Function

Stanley Deser, Walter Gilbert, and E. C. G. Sudarshan

Phys. Rev. 115, 731 – Published 1 August 1959

Abstract

An integral representation as a function of invariants is found for the Fourier transform of the matrix element between the vacuum and a one-particle state of the retarded commutator of two currents. A special case is a spectral representation for the vertex as a function of momentum transfer. The threshold in this representation is lower than that found in the usual perturbation theory.

Received 15 October 1958

DOI:https://doi.org/10.1103/PhysRev.115.731

Authors & Affiliations

Stanley Deser^*, Walter Gilbert^†, and E. C. G. Sudarshan^‡

Lyman Laboratory of Physics, Harvard University, Cambridge, Massachusetts

^*Now at Brandeis University, Waltham 54, Massachusetts.
^†National Science Foundation Postdoctoral Fellow.
^‡On leave of absence from Tata Institute of Fundamental Research, Bombay, India.

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Vol. 115, Iss. 3 — August 1959

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Structure of the Vertex Function

Stanley Deser, Walter Gilbert, and E. C. G. Sudarshan

Phys. Rev. 115, 731 – Published 1 August 1959

Abstract

Authors & Affiliations

References (Subscription Required)

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Physical Review Journals Archive

Published by the American Physical Society

Structure of the Vertex Function

Stanley Deser, Walter Gilbert, and E. C. G. Sudarshan

Phys. Rev. 115, 731 – Published 1 August 1959

Abstract

Authors & Affiliations

References (Subscription Required)

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