Задачи по квантовой механике. Часть 2. Корнев А.С. - 8 стр.

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Составители: 

V (x) =
(
0, 0 < x < a;
+, x 6 0, x > a
a
}
2
2m
Ψ
00
(x) = EΨ(x)
Ψ(0) = Ψ(a) = 0.
Ψ(x) = A sin kx + B cos kx,
k =
2mE/},
A B k
x = 0
B = 0 A
k E
x = a
sin ka = 0.
k
k
n
= πn/a, n = 0, ±1, . . .
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                                                           (
                                                               0,           0 < x < a;
                                            V (x) =
                                                               +∞,          x 6 0, x > a
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                                                             −
                                                                 }2 00
                                                                       Ψ (x) = EΨ(x)
                                                                                                                                    9 0 7: ?
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                                                                                                                                     9 0 7[ ?
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                                                                Ψ(0) = Ψ(a) = 0.

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        ;# !#6.7 5T!# Qa&(A
                                                        Ψ(x) = A sin kx + B cos kx,
                                                                                                                                      9 0 @7 m ?
         + 
                                                                          √                                                      9 0 7 0*5 ?
                                ;-  5T(;##- \c "%!#6E,7M(%!8 2  2 k 6"T,;*
                                                                   k = 2mE/},
A B
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                     a - 2 EF;-  2 ; + P+ + , !8- 2 9 0 7 [ ? ,"% x = 0  N
8*L;-*L. B = 0 ^ 4+  A !8-8 W!#6. Qa"%O
             !#6QB7  2 k ^  ! -#%6#-. ^ T] +  E ^ ;#- 2 c  ! 2 E 
   + E ' !8-*_9 0 7 [ ? "% x = a ^ /7 7)P  2

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                                                              sin ka = 0.

    2 8 kA
                                         k = πn/a,                 n = 0, ±1, . . .
                                                                                                                 9 0 7 00/?
                                               n