Null-plane Quantum Universal R-matrix
A. Ballesteros, F. J. Herranz, C. M. Pereña
Abstract
A non-linear map is applied onto the (non-standard) null-plane deformation of (3+1) Poincaré algebra giving rise to a simpler form of this triangular quantization. A universal R-matrix for the null plane quantum algebra is then obtained from a universal T-matrix corresponding to a Hopf subalgebra. Finally, the associated Poincaré Poisson--Lie group is quantized by using the FRT approach.
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