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Nondegenerate energy eigenvalue
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Physics
Branch of physics
Quantum mechanics
Time-independent perturbation theory
Created
2026-09-24
Updated
2026-09-24
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An
energy eigenvalue
is nondegenerate when its
eigenspace
is one-dimensional. Its normalized
eigenstate
is then unique
up to
a
complex phase.
Ancestors
(5)
Time-independent perturbation theory
Quantum mechanics
Branch of physics
Physics
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First-order nondegenerate perturbation theory
Nondegeneracy of one-dimensional bound states
Parity operator
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ib
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15B
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a
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Solution
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2019
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ii
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33B
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2022
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ii
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Paper 1
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35D
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b
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2023
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ii
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Paper 2
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/
2025
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ib
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4C
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