Dragon, Norbert; Oppermann, Florian
(New York, NY : Springer Science + Business Media B.V., 2024)
A Poincaré multiplet of mass eigenstates (P2- m2) Ψ = 0 cannot be a subspace of a space with a D-vector position operator X= (X, ⋯ XD-1) : the Heisenberg algebra [Pm, Xn] = i δmn implies by a simple argument that each ...