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A particle of mass m moves in a one-dimensional potential box
for |z|>3]u|,
for a <r< 3a ,
V(x)
for - 3a <r< -a,
Vo for - a<I<a,
As shown in the figure
Consider the Vo part as a perturbation on a flat box (V= 0 for -3a <
x<3a, V=00 for r|>3Jal) of length 6a. Use the first order perturbation
method to calculate the energy of the ground state.
Vo
-За
За
-a

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