Rotating Kerr-Newman space-times in Metric-Affine Gravity

Abstract

We present new rotating vacuum configurations endowed with both dynamical torsion and nonmetricity fields in the framework of Metric-Affine gauge theory of gravity. For this task, we consider scalar-flat Weyl-Cartan geometries and obtain an axisymmetric Kerr-Newman solution in the decoupling limit between the orbital and the spin angular momentum. The corresponding Kerr-Newman-de Sitter solution is also compatible with a cosmological constant and additional electromagnetic fields.

13 pages, 0 figures, minor changes, references added. It matches the version published in JCAP

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• Vector stability in quadratic metric-affine theories