Eur. Phys. J. C (2015) 75: 77
https://doi.org/10.1140/epjc/s10052-015-3288-x

Regular Article - Theoretical Physics

Kerr geometry in gravity

¹ Instituto de Astronomía y Física del Espacio (IAFE, CONICET-UBA), Casilla de Correo 67, Sucursal 28, 1428, Buenos Aires, Argentina
² Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina

^* e-mail: ferraro@iafe.uba.ar

Received: 10 December 2014
Accepted: 23 January 2015
Published online: 17 February 2015

Abstract

Null tetrads are shown to be a valuable tool in teleparallel theories of modified gravity. We use them to prove that Kerr geometry remains a solution for a wide family of theories of gravity.