Phys. Rev. D 71, 025016 (2005) [6 pages]Canonical doubly special relativity theoryReceived 6 October 2004; published 24 January 2005 For a certain example of a “doubly special relativity theory” the modified space-time Lorentz transformations are obtained from the momentum space transformations by using canonical methods. In the sequel an energy-momentum dependent space-time metric is constructed, which is essentially invariant under the modified Lorentz transformations. By associating such a metric to every Planck cell in space and to the energy-momentum contained in it, a solution of the problem of macroscopic bodies in doubly special relativity is suggested. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.71.025016
DOI:
10.1103/PhysRevD.71.025016
PACS:
03.30.+p
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