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Lecture 3: Non Degenerate Perturbation Harmonic Oscillator Problem Solving Video Lecture | Quantum Mechanics for GATE - GATE Physics

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FAQs on Lecture 3: Non Degenerate Perturbation Harmonic Oscillator Problem Solving Video Lecture - Quantum Mechanics for GATE - GATE Physics

1. What is the non-degenerate perturbation harmonic oscillator in quantum mechanics?
Ans. The non-degenerate perturbation harmonic oscillator refers to a perturbation in the harmonic oscillator system where the perturbing energy levels are distinct and non-degenerate.
2. How is the non-degenerate perturbation harmonic oscillator different from the degenerate case?
Ans. In the non-degenerate case, the perturbing energy levels are distinct and do not overlap, whereas in the degenerate case, the energy levels are degenerate and may overlap.
3. How is perturbation theory used to solve problems in the non-degenerate perturbation harmonic oscillator system?
Ans. Perturbation theory is used to find approximate solutions to the Schrödinger equation by treating the perturbation as a small correction to the original system and expanding the wave function in a series of corrections.
4. What are the key steps in solving for the perturbed energy levels in the non-degenerate perturbation harmonic oscillator system?
Ans. The key steps include finding the first-order correction to the energy levels, determining the perturbed wave function, and calculating the second-order correction to the energy levels.
5. How does the perturbation affect the eigenstates of the harmonic oscillator system in the non-degenerate case?
Ans. The perturbation causes mixing of the unperturbed eigenstates, resulting in the formation of new eigenstates that are linear combinations of the original states with modified energies.
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