Il Nuovo Cimento · 1960 · 81 citations · 3 references
Natural SciencesPhysicsDifferential EquationsQuantum MechanicsRepresentation TheoryCanonical TransformationsGauge TheoryHamiltonian MechanicsLie AlgebrasLorentz TransformationsQuantum Field TheoryCanonical CoordinatesDirac BracketsLie Algebra TheoryTransformationsWard Identities
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Some Generalizations of the Foldy-Wouthuysen Transformation
K. M. Case · Physical Review · 1954 · 199 citations