Homework Statement
I need Part B of this question
http://physics.wustl.edu/classes/FL2013/217/homework/ps03.pdf
Recall that the free particle Schr¨odinger equation,
i~
∂
∂tψ(x, t) = −
~
2
2m
∂
2
∂x2
ψ(x, t) (1)
has solutions of the “plane wave” form
ψk(x, t) = exp[ikx − iω(k)t] , (2)
where...