–
h
2
/
(
8
π
2
m
)
Δ
Ψ
+
U
Ψ
=
h
/
(
2
π
i
)
(
∂
/
∂
t
)
Ψ
–
h
2
/
(
8
π
2
m
)
Δ
Ψ
+
U
Ψ
=
h
/
(
2
π
i
)
(
∂
/
∂
t
)
Ψ
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