Solutions to the Harmonic Oscillator Equation and Hermite Polynomials

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SUMMARY

The discussion clarifies that the wavefunction of the n-th excited state of a harmonic oscillator is expressed as the product of the n-th Hermite polynomial and the exponential function {\large e^{-\frac{x^{2}}{4l}}}, where l = \sqrt{\frac{\hbar}{2m\omega}}. It emphasizes that while Hermite polynomials are integral to the solutions of the Schrödinger equation for a harmonic oscillator, they alone cannot serve as solutions due to their non-normalizability over all x. Thus, the complete solutions must incorporate both Hermite polynomials and exponential functions.

PREREQUISITES
  • Understanding of the Schrödinger equation in quantum mechanics
  • Familiarity with Hermite polynomials and their properties
  • Knowledge of wavefunctions and normalization in quantum systems
  • Basic concepts of harmonic oscillators in physics
NEXT STEPS
  • Study the derivation of the Schrödinger equation for harmonic oscillators
  • Explore the properties and applications of Hermite polynomials in quantum mechanics
  • Learn about wavefunction normalization techniques in quantum systems
  • Investigate the role of exponential functions in quantum mechanics
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Students and professionals in physics, particularly those focused on quantum mechanics, as well as mathematicians interested in the applications of Hermite polynomials in physical systems.

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How are Hermite Polynomials related to the solutions to the Schrödinger equation for a harmonic oscillator? Are they the solutions themselves, or are the solutions to the equation the product of a Hermite polynomial and an exponential function?

Thanks!
 
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Wavefunction of the n-th excited state of the harmonic oscillator is equal to the n-th Hermite polynomial times {\large e^{-\frac{x^{2}}{4l}}} where l = \sqrt{\frac{\hbar}{2m\omega}}
 
The Hermite polynomials (or any polynomials for that matter) cannot be solutions of the SE over all x because they are not normalizable over all x.
 
Being a solution to the Schrödinger equation and being normalizable are two different things.
 

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