Viewing black holes by waves

Ken Ichiro Kanai, Yasusada Nambu

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)

Abstract

We study scattering of waves by black holes. Solving a massless scalar field with a point source in the Schwarzschild spacetime, waves scattered by the black hole is obtained numerically. We then reconstruct images of the black hole from scattered wave data for specified scattering angles. For the forward and the backward directions, obtained wave optical images of black holes show rings that correspond to the black hole glories associated with the existence of the unstable circular photon orbit in the Schwarzschild spacetime.

Original languageEnglish
Article number175002
JournalClassical and Quantum Gravity
Volume30
Issue number17
DOIs
Publication statusPublished - Sept 7 2013
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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