Multiplication operator

Japanese: 掛算演算子 - かけざんえんざんし
Multiplication operator

...The simplest of these is the differential operator ∂/∂ x , which differentiates a function with respect to x . Also, as seen above, is a multiplication operator that changes the function ψ t ( x , y , z ) to V ( x , y , zt ( x , y , z ). The is called the Hamiltonian operator in the Schrödinger equation, and in the above example, it is the sum of a second-order differential operator and a multiplication operator, and it can be imagined that it generally changes the wave function ψ t in a complex way. ...

*Some of the terminology explanations that mention the "multiplication operator" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…そのもっとも単純なものは関数をxで微分する微分演算子∂/∂xである。また上のの中に見える,は関数ψt(x,y,z)をV(x,y,zt(x,y,z)に変える掛算演算子である。シュレーディンガー方程式に現れるはハミルトニアン演算子とよばれるが,上の例では2階の微分演算子と掛算演算子の和になっており,一般に波動関数ψtを複雑なしかたで変えることが想像されよう。…

※「掛算演算子」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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