Do Evaporating 4D Black Holes Form Photospheres and/or Chromospheres?

Details Do Evaporating 4D Black Holes Form Photospheres and/or Chromospheres? Do Evaporating 4D Black Holes Form Photospheres and/or Chromospheres?

2010-03-20

arxiv.org/abs/1003.3901v2

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

Twelfth Marcel Grossmann Meeting, Paris 12 - 18 July 2009; 4 pages; additional references added to arXiv version

Scientific paper

Several authors have claimed that the observable Hawking emission from a microscopic black hole is significantly modified by the formation of a photosphere or chromosphere around the black hole due to QED or QCD interactions between the emitted particles. Analyzing these models we identify a number of physical and geometrical effects which invalidate them. In all cases, we find that the observational signatures of a cosmic or Galactic background of black holes or an individual black hole remain essentially those of the standard Hawking model, with little change to the detection probability.

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