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Galilean subdynamics and the dual resonance model

1974; American Physical Society; Volume: 9; Issue: 2 Linguagem: Inglês

10.1103/physrevd.9.471

1538-4500

L. C. Biedenharn, H. van Dam,

Noncommutative and Quantum Gravity Theories

Dynamics in Minkowski space is discussed in terms of an eight-parameter extended Galilei group, a subgroup of the Poincar\'e group. This method---Galilean subdynamics---is developed and discussed in detail and applied to the construction of two explicit models having four-point amplitudes of the Veneziano type. There are no difficulties with unphysical states.