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Wormhole cosmic censorship

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Abstract

We analyze the properties of a Kerr-like wormhole supported by phantom matter, which is an exact solution of the Einstein-phantom field equations. It is shown that the solution has a naked ring singularity which is unreachable to null geodesics falling freely from the outside. Similarly to Roger Penrose’s cosmic censorship, that states that all naked singularities in the Universe must be protected by event horizons, here we conjecture from our results that a naked singularity can also be fully protected by the intrinsic properties of a wormhole’s throat.

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Notes

  1. We are using units \(c=1\). Notice also that metric (1) is obtained from the original one in Refs. [13, 14] and through the change of variables \(l-l_1 \rightarrow l\).

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Authors and Affiliations

  1. Departamento de Física, Centro de Investigación y de Estudios Avanzados del IPN, A.P. 14-740, 07000, Mexico, D.F., Mexico

    Tonatiuh Matos & Galaxia Miranda

  2. Departamento de Física, DCI, Campus León, Universidad de Guanajuato, C.P. 37150, León, Gto., Mexico

    L. Arturo Ureña-López

Authors
  1. Tonatiuh Matos
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  2. L. Arturo Ureña-López
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  3. Galaxia Miranda
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Corresponding author

Correspondence to Galaxia Miranda.

Additional information

We would like to thank Darío Núñez for many helpful and useful discussions and the “Laboratorio de Super-Cómputo Astrofísico (LaSumA) del Cinvestav”. This work was partially supported by PROMEP, DAIP-UGTO, and CONACyT México under Grants CB-2011 No. 166212, 167335, and I0101/131/07 C-234/07 of the Instituto Avanzado de Cosmologia (IAC) collaboration (http://www.iac.edu.mx/). LAU-L was partially supported by PRODEP, DAIP, PIFI, CONACyT México under Grants 232893 (sabbatical), 167335 and 179881, Fundación Marcos Moshinsky, and the Instituto Avanzado de Cosmología (IAC) collaboration.

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Matos, T., Ureña-López, L.A. & Miranda, G. Wormhole cosmic censorship. Gen Relativ Gravit 48, 61 (2016). https://doi.org/10.1007/s10714-016-2040-7

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