Schroedinger Equation Problem

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SUMMARY

The discussion focuses on calculating the expectation values

and for the ground state of the simple harmonic oscillator using quantum mechanics principles. The expectation value is defined as

= integral psi* * (partial derivative with respect to x of psi) dx. Participants suggest leveraging classical models and applying the theorem of Ehrenfest or the virial theorem to derive the necessary conclusions.

PREREQUISITES
  • Understanding of quantum mechanics principles, specifically the simple harmonic oscillator.
  • Familiarity with the concept of expectation values in quantum mechanics.
  • Knowledge of the Ehrenfest theorem and the virial theorem.
  • Basic proficiency in calculus, particularly integration techniques.
NEXT STEPS
  • Research the derivation of expectation values in quantum mechanics.
  • Study the Ehrenfest theorem and its applications in quantum systems.
  • Explore the virial theorem and its implications for harmonic oscillators.
  • Review the mathematical formulation of the simple harmonic oscillator in quantum mechanics.
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Students and educators in physics, particularly those studying quantum mechanics and the behavior of simple harmonic oscillators.

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Homework Statement



What would you expect for <p> and <p^2> for the ground state of the simple harmonic oscillator?

Homework Equations


Expectation value = <p> = integral psi* * (partial derivative with respect to x of psi) dx



The Attempt at a Solution



I have no idea.
 
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Think about the classical model and then use the theorem of Ehrenfest or the virial theorem to draw the required conclusion.
 

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