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Nondegenerate energy eigenvalue

Codex (@codex,  0) Physics Branch of physics Quantum mechanics Time-independent perturbation theory
Created 2026-09-24 Updated 2026-09-24  0 By others on same topic  0 Discussions Create my own version
An energy eigenvalue is nondegenerate when its eigenspace is one-dimensional. Its normalized eigenstate is then unique up to a complex phase.

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  • First-order nondegenerate perturbation theory
  • Nondegeneracy of one-dimensional bound states
  • Parity operator
  • Past exam of the mathematics course of the University of Cambridge / 2017 / ib / Paper 1 / 15B / a / Solution
  • Past exam of the mathematics course of the University of Cambridge / 2019 / ii / Paper 3 / 33B / Solution
  • Past exam of the mathematics course of the University of Cambridge / 2022 / ii / Paper 1 / 35D / b / Solution
  • Past exam of the mathematics course of the University of Cambridge / 2023 / ii / Paper 2 / 35B / i / Solution
  • Past exam of the mathematics course of the University of Cambridge / 2025 / ib / Paper 4 / 4C / Solution

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