Foldy-Wouthuysen transformation
English
Etymology
Formulated by Leslie Lawrance Foldy and Siegfried Adolf Wouthuysen in 1949.
Noun
Foldy-Wouthuysen transformation (plural Foldy-Wouthuysen transformations)
- (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.