Wiktionary

Foldy-Wouthuysen transformation

English

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Etymology

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Formulated by Leslie Lawrance Foldy and Siegfried Adolf Wouthuysen in 1949.

Noun

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Foldy-Wouthuysen transformation (plural Foldy-Wouthuysen transformations)

  1. (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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