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g-factor of a bound electron

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Theory <strong>of</strong> the free <strong>electron</strong><br />

Penning trap and particle motion<br />

Motion <strong>of</strong> the particle<br />

Axial motion: oscillation in<br />

electrostatic potential with<br />

ω z = √ qV 0 /md 2<br />

Radial motion in an electrostatic<br />

field has two solutions<br />

Magnetron motion: ⃗E × ⃗B drift,<br />

ω −<br />

Cyclotron motion: ω +<br />

Invariance theorem<br />

( q<br />

) 2<br />

ωc 2 = ω+ 2 + ωz 2 + ω− 2 =<br />

m B<br />

Ion Stroescu (Uni Heidelberg) g-<strong>factor</strong> <strong>of</strong> a <strong>bound</strong> <strong>electron</strong> January 11, 2008 13 / 32

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