Derivation of 1st order correction to energy degenerate spec

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SUMMARY

The discussion focuses on deriving the first order correction to energy for discrete levels of wave functions within quantum mechanics (QM). Participants emphasize the necessity of consulting established quantum mechanics textbooks for detailed explanations and derivations. The conversation highlights the importance of understanding perturbation theory as it applies to systems with discrete spectra.

PREREQUISITES
  • Quantum Mechanics fundamentals
  • Perturbation theory in quantum systems
  • Discrete spectrum concepts
  • Wave function properties
NEXT STEPS
  • Study perturbation theory in quantum mechanics
  • Review textbooks such as "Principles of Quantum Mechanics" by R. Shankar
  • Explore examples of first order energy corrections in quantum systems
  • Investigate applications of discrete spectra in quantum mechanics
USEFUL FOR

Students and researchers in physics, particularly those specializing in quantum mechanics and theoretical physics, will benefit from this discussion.

Imperatore
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Hello there !

I need to derive the formula of first order correction to the energy in the case of discrete level of wave function with discrete spectrum.
 
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Any decent textbook on QM should explain that.
 
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