noun
eigenfunction
Technical term in mathematics and computing, referring to a function that, when acted upon by a linear operator, yields a scalar multiple of itself.
量子力学では、ハミルトニアンの固有関数が重要な役割を果たす。
In quantum mechanics, the eigenfunctions of the Hamiltonian play an important role.
Compound of 固有 (こゆう, 'inherent, characteristic') and 関数 (かんすう, 'function'), a calque of the English 'eigenfunction'.