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Conserved currents of the Klein–Gordon field

Published online by Cambridge University Press:  24 October 2008

T. J. Gordon
Affiliation:
Gonville and Caius College, Cambridge

Abstract

A method is presented whereby all locally defined conserved currents of the Klein-Gordon field are found. The mathematical background to the method includes a generalization of the Poincaré lemma of the calculus of exterior differential forms. It is found that the only conserved currents are essentially a countably infinite set of functions, bilinear in the field, together with a single current in the case where the mass is zero. The usual energy-momentum tensor is included amongst these functions. The method does not depend on the use of any canonical formulation of the field theory.

Type
Research Article
Copyright
Copyright © Cambridge Philosophical Society 1981

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References

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