Corpus ID: 56006772

Space-time geometry of relativistic particles

  title={Space-time geometry of relativistic particles},
  author={Y. Kim},
A three-dimensional space-time geometry of relativistic particles is constructed within the framework of the little groups of the Poincaré group. Since the little group for a massive particle is the threedimensional rotation group, its relevant geometry is a sphere. For massless particles and massive particles in the infinite-momentum limit, it is shown that the geometry is that of a cylinder and a two-dimensional plane. The geometry of a massive particle continuously becomes that of a massless… Expand

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