Generalized kappa-deformed spaces, star-products, and their realizations

Details Generalized kappa-deformed spaces, star-products, and their realizations Generalized kappa-deformed spaces, star-products, and their realizations

2008-04-18

arxiv.org/abs/0804.3072v1

J.Phys.A41:235203,2008

Physics

High Energy Physics

High Energy Physics - Theory

Scientific paper

10.1088/1751-8113/41/23/235203

In this work we investigate generalized kappa-deformed spaces. We develop a systematic method for constructing realizations of noncommutative (NC) coordinates as formal power series in the Weyl algebra. All realizations are related by a group of similarity transformations, and to each realization we associate a unique ordering prescription. Generalized derivatives, the Leibniz rule and coproduct, as well as the star-product are found in all realizations. The star-product and Drinfel'd twist operator are given in terms of the coproduct, and the twist operator is derived explicitly in special realizations. The theory is applied to a Nappi-Witten type of NC space.

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