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Hawking radiation via tunnelling from black holes with topological defects

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Abstract

In this paper, we extend Parikh's recent work to two kinds of the black holes whose ADM mass is no longer identical to its mass parameter, each with a topological defect, one being a global monopole black hole and another a cosmic string black hole. We view Hawking radiation as a tunnelling process across the event horizon and calculate the tunnelling probability. From the tunnelling probability we also find a leading correction to the semiclassical emission rate. The results are consistent with an underlying unitary theory.

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Authors and Affiliations

  1. Department of Physics, Beijing Normal University, Beijing, 100875, China

    Jun Ren & Zheng Zhao

  2. Department of Physics and Center for Astrophysics, Tsing Hua University, Beijing, 100084, China

    Changjun Gao

Authors
  1. Jun Ren
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  2. Zheng Zhao
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  3. Changjun Gao
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Correspondence to Jun Ren.

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Ren, J., Zhao, Z. & Gao, C. Hawking radiation via tunnelling from black holes with topological defects. Gen Relativ Gravit 38, 387–392 (2006). https://doi.org/10.1007/s10714-005-0227-4

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  • DOI: https://doi.org/10.1007/s10714-005-0227-4

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