Irreducible representations of the Poincaré group with reflections and two-fold Wigner degeneracy
Dharam Vir Ahluwalia,
G. B. de Gracia,
Julio M. Hoff da Silva
et al.
Abstract:Not all complete set of spinors can be used as expansion coefficients of a quantum field. In fact, Steven Weinberg established the uniqueness of Dirac spinors for this purpose provided: (a) one paid due attention to the multiplicative phases for each of the spinors, and (b) one paired these to creation and annihilation operators in a specific manner. This is implicit in his implementation of the rotational symmetry for the spin half quantum field. Among the numerous complete set of spinors that are available t… Show more
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