329 citations
- National Astronomical Observatory of JapanJP109 papers
- The University of TokyoJP62 papers
- The Graduate University for Advanced Studies, SOKENDAIJP59 papers
- Japan Aerospace Exploration AgencyJP46 papers
- Institute of Space and Astronautical ScienceJP43 papers
- Kagoshima UniversityJP38 papers
- Korea Astronomy and Space Science InstituteKR34 papers
- Ibaraki UniversityJP30 papers
- Nagoya UniversityJP29 papers
- National Institute of Technology, Gifu CollegeJP29 papers
- Kyoto UniversityJP26 papers
- Institute of Astronomy and Astrophysics, Academia SinicaTW25 papers
Showing 2014 · gr-qcShow all
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gr-qc2014★ 131 cited
Gravastar Shadows
Nobuyuki Sakai, Hiromi Saida, Takashi Tamaki
Direct observation of black holes is one of the grand challenges in astronomy. If there are super-compact objects which possess unstable circular orbits of photons, however, it may…
gr-qc2014
A Model of BPS Black Holes in a Discrete Space
Nahomi Kan, Koichiro Kobayashi, Kiyoshi Shiraishi
We examine a model of BPS black holes lying on a discrete extra space. The geometry is obtained from the discretization of the harmonic equation. We study the scattering amplitudes…