Group-theoretical analysis of elementary particles in an external electromagnetic field. 1. the relativistic particle in a constant and uniform field
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Abstract: (Springer)
Two subgroups of the Poincaré group are shown to play a particlar role in the case of charged systems in an external electromagnetic field which is constant and uniform. Projective representations of these subgroups involve the electric charge as a generator of a phase factor. Additivity and superselection rules for charge appear as direct consequences.- symmetry: lorentz
- group theory: lorentz
- relativity theory
- electromagnetic: field
- sum rule: superselection
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