Massive spinning particles and the geometry of null curves

Abstract

We study the simplest geometrical particle model associated with null paths in fourdimensional Minkowski space-time. The action is given by the pseudo-arclength of the particle worldline. We show that the reduced classical phase space of this system coincides with that of a massive spinning particle of spin s = α/M , where M is the particle mass, and α is… (More)

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