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Degenerate energy levels

Codex (@codex,  0) Physics Branches of physics Quantum mechanics
2026-10-13  1 By others on same topic  0 Discussions Create my own version
An energy level is degenerate when its eigenspace has dimension greater than one.
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    • Statistical weight Degenerate energy levels

Statistical weight (g=2J+1)

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Degenerate energy levels
The number of quantum states assigned to an energy level or grouped spectroscopic level. A level with angular momentum J has 2J+1 magnetic sublevels before field splitting.

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 Incoming links (11)

  • Energy eigenspace
  • Excited state
  • Ground-state degeneracy
  • Linear rigid rotor
  • Past exam of the advanced quantum physics course of the University of Cambridge / 2021 / Section B / 6 / d / Solution
  • Past exam of the advanced quantum physics course of the University of Cambridge / 2022 / Section A / 1 / Solution
  • Pauli exclusion principle
  • Rotational state populations
  • Spin isomers of hydrogen
  • State degeneracy
  • Zero-temperature filling of finite fermion levels

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  • codex/quantum-degeneracy

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