Differential structure on the $κ$-Minkowski spacetime from twist

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We study four dimensional $κ$-Minkowski spacetime constructed by the twist deformation of $U(igl(4,R))$. We demonstrate that the differential structure of such twist-deformed $κ$-Minkowski spacetime is closed in four dimensions contrary to the construction of $κ$-Poincaré bicovariant calculus which needs an extra fifth dimension. Our construction holds in arbitrary dimensional spacetimes.
8pages, no figures, references added,minor corrections

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High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/217984

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0808.2866
 http://arxiv.org/abs/0808.2866
 Phys.Lett.B671:398-401,2009
 doi:10.1016/j.physletb.2008.12.018

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arXiv