Noncommutative Differential Calculus on the Kappa-Minkowski Space

Details Noncommutative Differential Calculus on the Kappa-Minkowski Space Noncommutative Differential Calculus on the Kappa-Minkowski Space

1994-09-02

arxiv.org/abs/hep-th/9409014v2

Phys.Lett.B349:42-48,1995

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX 10 pages

Scientific paper

10.1016/0370-2693(95)00223-8

Following the construction of the $\kappa$-Minkowski space from the bicrossproduct structure of the $\kappa$-Poincare group, we investigate possible differential calculi on this noncommutative space. We discuss then the action of the Lorentz quantum algebra and prove that there are no 4D bicovariant differential calculi, which are Lorentz covariant. We show, however, that there exist a five-dimensional differential calculus, which satisfies both requirements. We study also a toy example of 2D $\kappa$-Minkowski space and and we briefly discuss the main properties of its differential calculi.

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