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R. Feynman
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Lectures on Physics, Vol. III
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1)
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9jCH2
rD8F"9jCH1
rLC?kL'P
1.
•
9jCH1
rD8F"9jCH2
rLC?kL'P
2.
•
>}N9jCH,+$?kL'P
12= P
1+ P
2(1.1)
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2)
eHr/85;k#2DN9jCHU-NIrL a7?e"emNI(absorber)
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2.
Figure 2:
•
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rD8F"9jCH1
rLC?kL'I
1= h
21.
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9jCH1
rD8F"9jCH2
rLC?kL'I
2= h
22.
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>}N9jCH,+$?kL'P
12= (h
1+ h
2)
2= I
1+ I
2+ 2h
1h
16= I
1+ I
2. (1.2)
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3)
ERr2
DN9jCHU-NIK~+CF/M9 k#emNI(backstop)
GERNtrx
NXtH7 F,j9k#Figure 3:
•
9jCH2
rD8F"9jCH1
rLC?kL'P
1.
•
9jCH1
rD8F"9jCH2
rLC?kL'P
2.
•
>}N9jCH,+$?kL'P
126= P
1+ P
2(1.3)
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rLC?. . . (A)
=N?aK"9jCH
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rLC?lg"w;1
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rLC?WH=G9k#•
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(reality)
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Balmer
x 0rP9?aK"Bohr
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E
HOX*Js>tν
HNVK!NX80r>j7?'
E = − n
2 hν (2.1)
3N>j,!NroHyAG"k'
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ERNV*AHW,j_HG"k(de Broglie
N"$G#"*K'
2πr = nλ (2.2)
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r
,0;N>B"λ = h/p
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ERN0;Q?0Lℓ
,LR=5lF$kJSom- merfeld
N"$G#"*K'ℓ = n¯ h
1)
h:"(2.1)
0+iBalmer
Nx0r3/' y.Y_?0KD$FNewton
Nh2
!'mv
2r = e
2r
2⇒ e
2r = mv
2(2.3)
rHCF"ERN(Mk.<,
E = m
2 v
2− e
2r = − m
2 v
2(2.4)
HJk#
Bohr
N>j(2.1)
rH&H"E = − m
2 v
2= − n
2 hν = − n
2 h v
2πr = − n
2 h ¯ mv
3e
2(2.5)
?@7 "GeNy0K
(2.3)
rHC?#3N0+i"n¯ hv
e
2= 1 (2.6)
,,+k#=lr0
(2.4)
Ke~9kH"Balmer
N x0,PF/k'E = − m
2 v
2= − m 2
e
4n
2h ¯
2(2.7) 2)
!K"ro(2.6)
,Vj_HNroW*hSVQ?0LNLR=WHlW9k 3Hr(9'
(2.6)
KNewton
Nh2
!'(e
2= mv
2r)
re~9 kH"n¯ hv
e
2= n¯ h
mvr = 1 (2.8)
HJk#=l,j_HroHlW9k'
2πr = nλ = n h
p = n h
mv ⇒ n¯ h
mvr = 1
^?"GeN1y0,"Q?0L
ℓ = mvr
rHCF"ℓ = n¯ h
HJj"Q?0LNLR=r=7F$k#