論文

査読有り
2019年7月1日

Null geodesics and repulsive behavior of gravity in $(2+1)$D massive gravity

Progress of Theoretical and Experimental Physics
  • Keisuke Nakashi
  • ,
  • Shinpei Kobayashi
  • ,
  • Shu Ueda
  • ,
  • Hiromi Saida

2019
7
記述言語
掲載種別
研究論文(学術雑誌)
DOI
10.1093/ptep/ptz062
出版者・発行元
Oxford University Press (OUP)

<title>Abstract</title>
We study the null geodesics in a static circularly symmetric (SCS) black hole spacetime, which is a solution in the $(2+1)$D massive gravity proposed by Bergshoeff, Hohm, and Townsend (BHT massive gravity). We obtain analytic solutions for the null geodesic equation in the SCS black hole background and find the explicit form of deflection angles. We see that, for various values of the impact parameter, the deflection angle can be positive, negative, or even zero in this black hole spacetime. The negative deflection angle indicates the repulsive behavior of the gravity that comes from the gravitational hair parameter that is the most characteristic quantity of the BHT massive gravity.

リンク情報
DOI
https://doi.org/10.1093/ptep/ptz062
arXiv
http://arxiv.org/abs/arXiv:1901.06098
URL
http://academic.oup.com/ptep/article-pdf/2019/7/073E02/28939207/ptz062.pdf
ID情報
  • DOI : 10.1093/ptep/ptz062
  • eISSN : 2050-3911
  • arXiv ID : arXiv:1901.06098

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