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Rotating “black holes” with holes in the horizon

Alexander Burinskii

Emilio Elizalde

Sergi R. Hildebrandt

Giulio Magli

  • Gravity Research Group, NSI, Russian Academy of Sciences, B. Tulskaya 52 Moscow 115191 Russia

  • Consejo Superior de Investigaciones Científicas (ICE/CSIC) & Institut d’Estudis Espacials de Catalunya (IEEC), Campus UAB, Facultat de Ciėncies, Torre C5-Parell-2a planta, E-08193 Bellaterra (Barcelona), Spain

  • Instituto de Astrofisica de Canarias, C/Via Lactea s/n, La Laguna, Tenerife, 38200, Spain

  • Dipartimento di Matematica del Politecnico di Milano, Piazza Leonardo Da Vinci 32, 20133 Milano, Italy

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Phys. Rev. D 74, 021502(R) – Published 10 July, 2006

DOI: https://doi.org/10.1103/PhysRevD.74.021502

Abstract

Kerr-Schild solutions of the Einstein-Maxwell field equations, containing semi-infinite axial singular lines, are investigated. It is shown that axial singularities break up the black hole, forming holes in the horizon. As a result, a tubelike region appears which allows matter to escape from the interior without crossing the horizon. It is argued that axial singularities of this kind, leading to very narrow beams, can be created in black holes by external electromagnetic or gravitational excitations and may be at the origin of astrophysically observable effects such as jet formation.

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Phys. Rev. D 74, 021502(R)– Published 10 July, 2006
  • Received 28 November 2005

© 2006 American Physical Society

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