Comments on absorption cross-section for Chern-Simons black holes in five dimensions

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Abstract

In this paper we study the effects of black hole mass on the absorption cross-section for a massive scalar field propagating in a five-dimensional topological ChernSimons black hole at the low-frequency limit. We consider the two branches of black hole solutions (α = ±1) and we show that, if the mass of black hole increase the absorption cross-section decreases at the zero-frequency limit for the branch α = -1 and for the other branch, α = 1, the behavior is opposite, if the black hole mass increase the absorption cross-section increases. Also we find that beyond a certain frequency value, the mass black hole does not affect the absorption cross-section.

Original languageEnglish
Pages (from-to)3997-4008
Number of pages12
JournalInternational Journal of Modern Physics A
Volume26
Issue number23
DOIs
StatePublished - 20 Sep 2011

Keywords

  • absorption cross-section
  • black holes
  • Chern-Simons black hole

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