The most general wave function of a particle in the simple harmonic oscillator potential is Show that

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The most general wave function of a particle in the simple harmonic oscillator potential is

Show that the expectation value of position is

where the real constants C and ϕ are given by

Thus the expectation value of position for a particle in the harmonic oscillator oscillates at the classical frequency ω (as you would expect from Ehrenfest’s theorem; see problem 3.19(b)). Use Equation 3.114. As an example, find C and ϕ for the wave function in Problem 2.40.

Problem 3.19(b)

For any (normalized) wave packet representing a particle in the harmonic oscillator potential

Equation 3.114

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Introduction To Quantum Mechanics

ISBN: 9781107189638

3rd Edition

Authors: David J. Griffiths, Darrell F. Schroeter

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