For a simple harmonic oscillator potential, Vo(x) =-kx ² =¬mo*x', %3D the ground state energy eigenvalue is EO ho and the ground state eigenfunction is a²x² то - exp where a? = Now suppose that the potential has a small perturbation, 1 1 Vo(x) =kx² → V(x) = kx² + àx°. Use perturbation theory to find the (first order) corrected eigenvalue, in terms of w. [7] 1x 3 x5x... x (2n – 1) 2n+1B" You will need: x2" exp(-ßx²) dx

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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1)
For a simple harmonic oscillator potential, Vo(x) =kx² =mo²x²,
the ground state energy eigenvalue is E(O)
ħo
and the ground state
2
eigenfunction is
a²x?
то
exp
where a?
Now suppose that the potential has a small perturbation,
1
V(x) =
Use perturbation theory to find the (first order) corrected eigenvalue, in terms of @.
[7]
1x3 x 5 x ...x (2n – 1)
You will need:
х2m еxp(—Вx?) dx
2n+1ßn
Transcribed Image Text:1 1) For a simple harmonic oscillator potential, Vo(x) =kx² =mo²x², the ground state energy eigenvalue is E(O) ħo and the ground state 2 eigenfunction is a²x? то exp where a? Now suppose that the potential has a small perturbation, 1 V(x) = Use perturbation theory to find the (first order) corrected eigenvalue, in terms of @. [7] 1x3 x 5 x ...x (2n – 1) You will need: х2m еxp(—Вx?) dx 2n+1ßn
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