Definitions
eigenfunction Tweet Definition of eigenfunction Like Definition of eigenfunction on Facebook
noun 
  1. (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.
  2. (quantum) Any eigenfunction of the Hamiltonian operator, representing a quantum state whose energy level is given by the corresponding eigenvalue.
Translations: 
  • Italian: autofunzione
Etymology: German eigen ("own") + "function"


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