13 citations · 13 across the 1 of their papers we have counts for
3 papers
gr-qc2020★ 13 cited
Null Hypersurface Caustics, Closed Null Curves, and Super-Entropy
Sousuke Noda, Yen Chin Ong
Recently it was discovered that null hypersurfaces can develop caustics outside the event horizon of super-entropic Kerr-AdS black holes, in contrast to the usual Kerr-AdS case. In…
gr-qc2019
Blandford-Znajek process as Alfvénic superradiance
Sousuke Noda, Yasusada Nambu, Takuma Tsukamoto +1
The superradiant scattering of Alfvén waves (Alfvénic superradiance) in a forcefree magnetosphere is discussed to reveal the relationship between the Blandford-Znajek (BZ) process…
gr-qc2019
Wave Optics in Spacetimes with Compact Gravitating Object
Yasusada Nambu, Sousuke Noda, Yuichiro Sakai
We investigate the wave optics in spherically symmetric spacetimes: Schwarzschild black hole, spherical star with a perfect absorbing surface, and massless/massive Ellis wormholes.…