Deser, Stanley and Gilbert, Walter and Sudarshan, E. C. G. (1959) Structure of the Vertex Function. Physical Review, 115 (3). pp. 731-735. ISSN 0031-899X. doi:10.1103/PhysRev.115.731. https://resolver.caltech.edu/CaltechAUTHORS:20161215-164608601
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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.
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| Additional Information: | © 1959 American Physical Society. (Received October 15, 1958; revised manuscript received April 6, 1959) We wish to thank Professor Julian Schwinger for suggesting such representations and for several discussions. One of us (W.G.) thanks the University of California Radiation Laboratory, Berkeley for its hospitality where this work was completed. | |||||||||
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| Issue or Number: | 3 | |||||||||
| DOI: | 10.1103/PhysRev.115.731 | |||||||||
| Record Number: | CaltechAUTHORS:20161215-164608601 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20161215-164608601 | |||||||||
| Official Citation: | Structure of the Vertex Function Stanley Deser, Walter Gilbert, and E. C. G. Sudarshan Phys. Rev. 115, 731 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 72876 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | George Porter | |||||||||
| Deposited On: | 16 Dec 2016 16:38 | |||||||||
| Last Modified: | 11 Nov 2021 05:08 |
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