A one-dimensional anharmonic oscillator is treated by perturbation theory. The harmonic oscillator is used as the unperturbed system and the perturbation is -yx'(y is a constant). Using only the first order correction, the total ground state energy of the anharmonic oscillator is
A one-dimensional anharmonic oscillator is treated by perturbation theory. The harmonic oscillator is used as the unperturbed system and the perturbation is -yx'(y is a constant). Using only the first order correction, the total ground state energy of the anharmonic oscillator is
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:A one-dimensional anharmonic oscillator is treated by perturbation theory. The harmonic
oscillator is used as the unperturbed system and the perturbation is yx'(7 is a constant).
Using only the first order correction, the total ground state energy of the anharmonic
oscillator is
1/4
(Note: For a one-dimensional harmonic oscillator w, (x) =|
ku
a =
1/2
k
(B)
h
1/2
(C)
(D)
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