Last Updated
：2025/12/05
d'Alembert operator
Noun
Japanese Meaning
d’Alembert演算子（ダランベール演算子）は、物理学で用いられる四次元（ミンコフスキー時空）における微分演算子であり、三次元空間のラプラス演算子に相当する。
（ plural ）
Quizzes for review
(physics) A differential operator which may be expressed as ∂𝜇∂𝜇=∑(𝜇=0)³∂/∂x𝜇∂/∂x_𝜇; it is the four-dimensional (Minkowski space) equivalent of the three-dimensional Laplace operator.
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d'Alembert operator
The d'Alembert operator appears naturally when deriving the wave equation in relativistic field theory.
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The d'Alembert operator appears naturally when deriving the wave equation in relativistic field theory.
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