量子力学常用积分公式
(1) x e dx
a e n ax dx e
xn ax n ax
n ax
1 1 (n0)(2) sin 2 2 (asinbx bcosbx) b
a bxdx e e
ax
ax
(3)
eaxcosaxdx a2eaxb2 (acosbxbsinbx)(4) x ax
ax a axdx a
x 1 cos
1 sin
sin 2
(5)
x2sinaxdx a2x2 sinax(a22 ax2)cosax(6) ax
a ax x axdx a
x 1 cos sin
cos 2
(7 ax
a a ax x a
axdx x
x 2 )sin
( 2 cos
cos 3
2 2
2
)) ln(
2 2
2
2 ax ax c
a c c
x ax (a0)
(8)
ax2 cdxarcsin( ) 2 2
2 x
c a a
c c
x ax
(a<0)
02sin
n xdx
2
!
!
! )!
1
(
n
n (n正偶数) (9) =
02cos
n xdx
!
!
! )!
1 (
n
n (n正奇数)
2
(a0)
(10)
0
sin dx x
ax
2
(a0)
(11)) 1
0
!
e axxndx ann (n正整数,a0) (12)dx a
e ax
2 1
0
2
(13) 1 2 1
0 2
2
! )!
1 2 (
2
x ne ax dx nn an(14) 1
0 1 2
2
!
2
x n e ax dx ann(15)
2 sin
0 2
2 a
x dx
ax
(16)
0 2 2 2
) (
sin 2
b a bxdx ab
xe ax (a0)
0 2 2 2
2 2
) cos (
b a
b bxdx a
xe ax (a0)