Last Updated
：2025/11/21
selection rule
Noun
Japanese Meaning
量子力学の系において、状態間の遷移がどのように許されるかを定める一般的な規則。すなわち、状態やその相互作用の対称性に基づいて、遷移が認められるかどうかを判断するための法則（選択則）。
（ plural ）
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(physics) Any of several general rules concerning the transitions between the states of a quantum mechanical system; they derive from the symmetry properties of the states and of their interactions
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selection rule
The selection rule forbids certain electronic transitions between energy levels, simplifying the observed spectral lines.
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The selection rule forbids certain electronic transitions between energy levels, simplifying the observed spectral lines.
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