Last Updated
：2025/12/08
Ehrenfest theorem
Proper noun
Japanese Meaning
物理学における定理で、位置および運動量の期待値の時間微分が、スカラー型ポテンシャル中を運動する粒子に作用する力（F = -V'(x)）の期待値に関連していることを示す定理
（ canonical ）
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(physics) A theorem that relates the time derivative of the expectation values of the position and momentum operators x and p to the expectation value of the force F=-V'(x) on a massive particle moving in a scalar potential V(x).
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Ehrenfest theorem
The Ehrenfest theorem provides a bridge between quantum expectation values and classical equations of motion for a particle in a scalar potential.
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The Ehrenfest theorem provides a bridge between quantum expectation values and classical equations of motion for a particle in a scalar potential.
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