Eigenfunction
WiktionaryText
Noun
- 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.
- Any eigenfunction of the Hamiltonian operator, representing a quantum state whose energy level is given by the corresponding eigenvalue.
See also
- eigenvalue
- eigenvector
- hamiltonian