g-factor of a bound electron
g-factor of a bound electron
g-factor of a bound electron
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Theory <strong>of</strong> the free <strong>electron</strong><br />
g-<strong>factor</strong> <strong>of</strong> the free <strong>electron</strong><br />
The anomalous moment <strong>of</strong> the <strong>electron</strong><br />
The g-<strong>factor</strong> <strong>of</strong> a charged particle is defined as<br />
⃗µ = −g e<br />
2m ⃗ S<br />
A particle with pure angular momentum ⃗L has g = 1<br />
If the theory takes into account the spin <strong>of</strong> the <strong>electron</strong>, g = 2 results<br />
directly from Dirac’s equation<br />
QED vacuum fluctuations and polarization slightly increase this value<br />
Ion Stroescu (Uni Heidelberg) g-<strong>factor</strong> <strong>of</strong> a <strong>bound</strong> <strong>electron</strong> January 11, 2008 9 / 32
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