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lecture_20 - Intrinsic Spin The spinning electron reacts...

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    Intrinsic Spin The spinning electron reacts similarly to the orbiting electron in a magnetic field. We should try to find quantites analogous to L, L z , l, and m l . The magnetic spin quantum number m s has only two values, m s = ±1/2. The electron’s spin will be either “up” or “down” and can never be spinning with its magnetic moment μ s exactly along the z axis. The intrinsic spin angular momentum vector .
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    Intrinsic Spin The magnetic moment is . The coefficient of is -2 μ B : a consequence of theory of relativity. The gyromagnetic ratio ( l or s ). g l = 1 and g s = 2, then The z component of . there is space quantization due to the intrinsic spin.
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    Fig A, pg 258
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    Morrison-Cocconi conjecture (Nature, 1959) SETI
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    Fig B, pg 259
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  7.6: Energy Levels and Electron Probabilities For hydrogen, the energy level depends on the principle quantum number n . In ground state an atom cannot emit
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lecture_20 - Intrinsic Spin The spinning electron reacts...

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