Abstract
The magnetic moment associated with the spin of a particle or an atom has played a significant role in the development of atomic theory. The concept of the spin 1/2 (in units of ħ) for the electron introduced by Goudsmit and Uhlenbeck in 1925 [147] led to the understanding of the anomalous Zeeman effect and the fine structure doubling of spectral lines. The Dirac theory of the electron [148] showed that the spin is a purely relativistic effect and that the magnetic moment associated with it is the Bohr magneton μB = e/2m?. If we define a dimensionless proportionality constant g between the magnetic moment μ and the spin s (in units of ħ)
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© 2009 Springer-Verlag Berlin Heidelberg
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Werth, G., Gheorghe, V.N., Major, F.G. (2009). Microwave Spectroscopy. In: Charged Particle Traps II. Springer Series on Atomic, Optical, and Plasma Physics, vol 54. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-92261-2_4
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DOI: https://doi.org/10.1007/978-3-540-92261-2_4
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Online ISBN: 978-3-540-92261-2
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