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The Electric Moment of an Electron

Published online by Cambridge University Press:  24 October 2008

A. Lees
A. Lees
Affiliation:
Trinity College
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Extract

It is well known that an electron possesses a magnetic moment. Frenkel has further deduced by relativistic arguments that the electron must also possess a real electric moment. Dirac has deduced, from his linear wave equation, a relation which indicates formally the existence of an imaginary electric moment as well as the real magnetic moment. It is shown that Frenkel's argument is not sound, since we now know that a relativistic state of affairs may not admit of tensorial representation, and that Dirac's reasoning is not sufficiently precise. When it is replaced by precise reasoning the magnetic moment remains as before, but the terms representing the electric moment disappear from the result. The electric moment therefore does not exist.

Type
Research Article
Information
Mathematical Proceedings of the Cambridge Philosophical Society , Volume 31 , Issue 1 , January 1935 , pp. 94 - 98
Copyright
Copyright © Cambridge Philosophical Society 1935

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References

* Frenkel, , Zeitschr. f. Phys. 37 (1926), 243.CrossRefGoogle Scholar

† Dirac, , Proc. Roy. Soc. A, 117 (1928), 610.CrossRefGoogle Scholar

‡ Sommerfeld, , Wave Mechanics, pp. 257Google Scholaret seq.