Definitions | eigenfunction |
| noun - (math) A function φ such that, for a generic linear operator D (e.g. differential one), Dφ = λφ where λ is an eigenvalue of the operator.
- (quantum) Any eigenfunction of the Hamiltonian operator, representing a quantum state whose energy level is given by the corresponding eigenvalue.
Translations: Etymology: German eigen ("own") + "function"
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