Associative realizations of the extended Snyder model
General Physics
2021-01-04 v2 High Energy Physics - Theory
Abstract
The star product usually associated to the Snyder model of noncommutative geometry is nonassociative, and this property prevents the construction of a proper Hopf algebra. It is however possible to introduce a well-defined Hopf algebra by including the Lorentz generators and their conjugate momenta into the algebra. In this paper, we study the realizations of this extended Snyder spacetime, and obtain the coproduct and twist and the associative star product in a Weyl-ordered realization, to first order in the noncommutativity parameter. We then extend our results to the most general realizations of the extended Snyder spacetime, always up to first order.
Keywords
Cite
@article{arxiv.2007.13498,
title = {Associative realizations of the extended Snyder model},
author = {S. Meljanac and S. Mignemi},
journal= {arXiv preprint arXiv:2007.13498},
year = {2021}
}
Comments
10 pages; version accepted for publication on Phys. Rev. D