Foldy-Wouthuysen transformation
plural of nilprogression
(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.
A surname. / A village and civil parish (without a council) in Cotswold district, Gloucestershire, England (OS grid ref SP1833).
The act of reimposing; the act of imposing something again.
相対論的量子力学では、ハミルトニアンと状態が表される直交基底のユニタリ変換を適用することで、ディラックハミルトニアンを正と負のエネルギー状態に分離して単純化できます。
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