The Free Particle in Deformed Special Relativity

Details The Free Particle in Deformed Special Relativity The Free Particle in Deformed Special Relativity

2005-12-09

arxiv.org/abs/hep-th/0512107v2

Phys.Rev.D73:045009,2006

Physics

High Energy Physics

High Energy Physics - Theory

15 pages

Scientific paper

10.1103/PhysRevD.73.045009

The phase space of a classical particle in DSR contains de Sitter space as the space of momenta. We start from the standard relativistic particle in five dimensions with an extra constraint and reduce it to four dimensional DSR by imposing appropriate gauge fixing. We analyze some physical properties of the resulting theories like the equations of motion, the form of Lorentz transformations and the issue of velocity. We also address the problem of the origin and interpretation of different bases in DSR.

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