Conformastatic disk-haloes in Einstein-Maxwell gravity

Antonio C. Gutiérrez-Piñeres, Guillermo A. González, and Hernando Quevedo
Phys. Rev. D 87, 044010 – Published 5 February 2013

Abstract

We present a relativistic model describing a thin disk surrounded by a halo in the presence of an electromagnetic field. The model is obtained by solving the Einstein-Maxwell equations on a particular conformastatic spacetime background and by using the distributional approach for the energy-momentum tensor. A class of solutions is obtained in which the gravitational and electromagnetic potentials are completely determined by a harmonic function only. A particular solution is given that is asymptotically flat and singularity free, and satisfies all the energy conditions.

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  • Received 23 November 2012

DOI:https://doi.org/10.1103/PhysRevD.87.044010

© 2013 American Physical Society

Authors & Affiliations

Antonio C. Gutiérrez-Piñeres1,2,*, Guillermo A. González3,†, and Hernando Quevedo2,4,5,‡

  • 1Facultad de Ciencias Básicas, Universidad Tecnológica de Bolívar, Cartagena 13001, Colombia
  • 2Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, AP 70543, México, Distrito Federal 04510, Mexico
  • 3Escuela de Física, Universidad Industrial de Santander, A. A. 678, Bucaramanga 680002, Colombia
  • 4Instituto de Cosmologia, Relatividade e Astrofisica ICRA-CBPF Rua Dr. Xavier Sigaud, 150, CEP 22290-180 Rio de Janeiro, Brazil
  • 5Dipartimento di Fisica and Icra, Università di Roma La Sapienza, I-00185 Roma, Italy

  • *acgutierrez@correo.nucleares.unam.mx
  • guillego@uis.edu.co
  • quevedo@nucleares.unam.mx

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Issue

Vol. 87, Iss. 4 — 15 February 2013

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