Last Updated
：2025/12/05
Foldy-Wouthuysen transformation
Noun
Japanese Meaning
Foldy-Wouthuysen変換：物理学における用語で、ハミルトニアンと状態が表現される直交正規基底のユニタリ変換を指し、高エネルギー物理学など特定の分野で応用される。
（ plural ）
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(physics) A unitary transformation of the orthonormal basis in which both the Hamiltonian and the state are represented; it has applications in high-energy physics.
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Foldy-Wouthuysen transformation
In relativistic quantum mechanics, applying the Foldy-Wouthuysen transformation simplifies the Dirac Hamiltonian by separating positive and negative energy states.
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In relativistic quantum mechanics, applying the Foldy-Wouthuysen transformation simplifies the Dirac Hamiltonian by separating positive and negative energy states.
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