paper

Triply Special Relativity

arXiv:hep-th/0406276 · doi:10.1103/PhysRevD.70.065020

Abstract

We describe an extension of special relativity characterized by {\it three} invariant scales, the speed of light, , a mass, and a length . This is defined by a non-linear extension of the Poincare algerbra, , which we describe here. For , becomes the Snyder presentation of the -Poincare algebra, while for it becomes the phase space algebra of a particle in deSitter spacetime. We conjecture that the algebra is relevant for the low energy behavior of quantum gravity, with taken to be the Planck mass, for the case of a nonzero cosmological constant . We study the modifications of particle motion which follow if the algebra is taken to define the Poisson structure of the phase space of a relativistic particle.

13 pages

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