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Velocity of particles in Doubly Special Relativity

High Energy Physics - Theory 2009-11-10 v1

Abstract

Doubly Special Relativity (DSR) is a class of theories of relativistic motion with two observer-independent scales. We investigate the velocity of particles in DSR, defining velocity as the Poisson bracket of position with the appropriate hamiltonian, taking care of the non-trivial structure of the DSR phase space. We find the general expression for four-velocity, and we show further that the three-velocity of massless particles equals 1 for all DSR theories. The relation between the boost parameter and velocity is also clarified.

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Cite

@article{arxiv.hep-th/0304027,
  title  = {Velocity of particles in Doubly Special Relativity},
  author = {M. Daszkiewicz and K. Imilkowska and J. Kowalski-Glikman},
  journal= {arXiv preprint arXiv:hep-th/0304027},
  year   = {2009}
}

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12 pages