Doubly special relativity and canonical transformations: Comment on “Lagrangian for doubly special relativity particle and the role of noncommutativity”

J. Antonio García
Phys. Rev. D 76, 048501 – Published 15 August 2007

Abstract

The aim of this Comment is to call to the attention of double special relativity (DSR) readers a basic fact. The introduction of noncommutative structures in problems like the one addressed by Ghosh [ Phys. Rev. D 74, 084019 (2006)] is not necessary for the understanding of DSR physics. It can be described just as the relativistic free particle problem in a different parametrization.

  • Received 12 October 2006

DOI:https://doi.org/10.1103/PhysRevD.76.048501

©2007 American Physical Society

Authors & Affiliations

J. Antonio García*

  • Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Apartado Postal 70-543, México D.F., México

  • *garcia@nucleares.unam.mx

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Vol. 76, Iss. 4 — 15 August 2007

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