3 years ago

# $\kappa$-deformed BMS symmetry.

A. Borowiec, L. Brocki, J. Kowalski-glikman, J. Unger

We present the quantum $\kappa$-deformation of BMS symmetry, by generalizing the lightlike $\kappa$-Poincar\'e Hopf algebra. On the technical level our analysis relies on the fact that the lightlike $\kappa$-deformation of Poincar\'e algebra is given by a twist and the lightlike deformation of any algebra containing Poincar\'e as a subalgebra can be done with the help of the same twisting element. We briefly comment on the physical relevance of the obtained $\kappa$-BMS Hopf algebra as a possible asymptotic symmetry of quantum gravity.

Publisher URL: http://arxiv.org/abs/1811.05360

DOI: arXiv:1811.05360v1

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