Abstract
We compute the energy tensor and the energy-momentum tensor for electrodynamics coupled to the current of a charged scalar field and for electrodynamics coupled tothe current of a Dirac spinor field, without using the equations of motion.
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REFERENCES
W. Wyss, “The energy-momentum tensor in classical field theory,” to be published.
W. Wyss, “Gauge-invariant electromagnetic interactions,” to be published.
General References
E. Noether, Göttinger Nachrichten 235 (1918).
A. O. Barut, Electrodynamics and Classical Theory of Fields and Particles, 2nd edn. (Dover, New York, 1980).
R. Jost, The General Theory of Quantized Fields (Lectures in Applied Mathematics, Vol. IV) (American Mathematical Society, Providence, Rhode Island, 1965).
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Barut, A.O., Wyss, W. The Energy-Momentum Tensor for Electromagnetic Interactions. Foundations of Physics 28, 699–715 (1998). https://doi.org/10.1023/A:1018889518158
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DOI: https://doi.org/10.1023/A:1018889518158