Задачи по квантовой механике. Часть 2. Корнев А.С. - 40 стр.

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Составители: 

l 2l + 1
l = 0, 1, 2, . . .
s p
d f g
l = 0 s l =
1 p
ˆ
I
ˆ
IΨ(r) = Ψ(r)
±1
r
θ π θ ϕ = ϕ + π
ˆ
IΨ
Elm
(r, θ, ϕ) = f
El
(r)
ˆ
IY
lm
(θ, ϕ) = f
El
(r)Y
lm
(π θ, ϕ + π) =
= (1)
l
f
El
(r)Y
lm
(θ, ϕ) = (1)
l
Ψ
Elm
(r, θ, ϕ).
l l
ˆ
A
ˆ
B
(
ˆ
A ×
ˆ
B)
2
=
X
jk
ˆ
A
j
ˆ
B
k
(
ˆ
A
j
ˆ
B
k
ˆ
A
k
ˆ
B
j
) (j, k = x, y, z).
ˆ
A
ˆ
B
r p
[r
j
, ˆp
k
] = i}δ
jk
ˆ
L
2
= [r × p]
2
= r
2
p
2
(rp)
2
+ i}(rp).
r = (x
2
+ y
2
+ z
2
)
1
/
2
x
x
+ y
y
+ z
z
= r
r
[r, ˆp
r
] = i}
(rp) = i}r
r
= rˆp
r
+ i},
                                                                 15

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d f g

1 p
                 !# !# 2  2 >H*7 :7
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                                            = Ψ(−r)3
                                    ˆ
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θ →π−θ ϕ=ϕ+π
                         ^               ^ ;] %
   ˆ Elm (r, θ, ϕ) = fEl (r)IY
   IΨ                       ˆ lm (θ, ϕ) = fEl (r)Ylm (π − θ, ϕ + π) =
                                                                                                         9 7 0/?
  G() 9 7 0/? !8-#  ^  -EFH&("X  ! -%aX 6-.E 8$;- Q
                                      = (−1)l fEl (r)Ylm (θ, ϕ) = (−1)l ΨElm (r, θ, ϕ).

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        U ) N * *!#"%-."3; 7
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 f5 B95fF2>V\ > g MG GR&K B E