Post on 01-Jun-2022
Seoul National University NRL HoloTech
Ch. 9. Atomic StructureCh. 9. Atomic Structure
이 병 호서울대 전기공학부byoungho@snu.ac.kr
Seoul National University NRL HoloTech
Fig. 9-1, p.296
Orbital MagnetismOrbital Magnetism
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TorqueTorque
ddt
ddt
= ×
=
= × =
L r ppF
Lτ r F
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U= ×= − ⋅
τ μ Bμ B
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2qm
=μ L
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Fig. 9-2, p.298
2
2
Bohr magneton2
z ze
l B le
Be
e Lme m mm
em
μ
μ
μ
= −
= − = −
=
Seoul National University NRL HoloTech
Fig. 9-3, p.298
Larmor PrecessionLarmor Precession
L
sin
sin sin2
Larmor frequency
1sin 2
2 2
e
z L le e
d L d
qd dt B dt LB dtm
dd e Bdt L dt m
e eBU L mm m
θ φ
μ θ θ
φωθ
ω
=
= = =
= = =
= − ⋅ = ⋅ = =
L
L τ
L
μ B L B
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Fig. 9-4, p.300
Normal Zeeman EffectNormal Zeeman Effect
0 L lE E mω= +
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Fig. 9-5, p.301
Normal Zeeman EffectNormal Zeeman Effect
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Normal and Anomalous Zeeman EffectNormal and Anomalous Zeeman Effect
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Fig. 9-6, p.302
Spin – Classical AnalogySpin – Classical Analogy
2 2
22
s ie e
se
q qm me g
mg
= =
−=
=
∑μ L S
μ S
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Fig. 9-7c, p.305
Stern-Gerlach ExperimentStern-Gerlach Experiment
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Fig. 9-8, p.306
12
1 1,2 2
3( 1)2
,2 2
s
z s
s
m
S s s
S m
=
= −
= + =
= = −
SpinSpin
Seoul National University NRL HoloTech
Seoul National University NRL HoloTech
Fig. 9-9, p.308
( )2o s
e
e g Um−
= + = + = − ⋅μ μ μ L S μ B
Seoul National University NRL HoloTech
Fig. 9-10, p.310
Spin-Orbit InteractionSpin-Orbit Interaction
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Fig. 9-11, p.310
Seoul National University NRL HoloTech
Fig. 9-12, p.310
( 1)with , 1, ,
, 1, ,z j j
J j jJ m m j j j
j l s l s l s
= +
= +
= = − ⋅⋅⋅ −
= + + − ⋅⋅⋅ −
J L S