146 citations · 286 across the 21 of their papers we have counts for
9 papers · 1 filter
From Morphology to Variability: Radiative Cooling Effects on Horizon-Scale Polarization in Two-Temperature GRMHD Simulations
Jane SiNan Long, Akhil Uniyal, Mingyuan Zhang +4
Polarization signatures provide a new window to investigate the effects of radiative cooling in the horizon-scale accretion flows. Morphology and variability of polarization offer…
High-Order Photon Rings around Kerr Naked Singularities
Hina Suzuki, Yosuke Mizuno, Akhil Uniyal +3
We present a detailed study of higher-order photon rings of an accreting Kerr naked singularity (KNS) with dimensionless spin parameter ; i.e., a horizonless, overly spinni…
GRMHD Study of Accretion onto time-like Naked Singularities
Akhil Uniyal, Indu K. Dihingia, Yosuke Mizuno +1
Naked singularities (NkS) are solutions to the Einstein field equations that violate the cosmic censorship conjecture. Recent studies indicate that these objects may serve as compe…
Imprints of Different Types of Low-Angular-Momentum Accretion Flow Solutions in General Relativistic Hydrodynamic Simulations
Indu K. Dihingia, Akhil Uniyal, Yosuke Mizuno
Depending on the astrophysical source and its environment, the accretion flows can exhibit a variety of behaviors and characteristics in accordance with the type of solutions. We s…
The Fate of Transonic Shocks around Black Holes and their Future Astrophysical Implications
Indu K. Dihingia, Akhil Uniyal, Yosuke Mizuno
Theoretical models have long predicted the existence of shocks in multi-transonic accretion flows onto a black hole, yet their fate under realistic general relativistic simulations…
Black hole accretion and radiation variability in GRMHD simulations with Rezzolla-Zhidenko spacetime
Kotaro Moriyama, Alejandro Cruz-Osorio, Yosuke Mizuno +2
The Event Horizon Telescope (EHT) has revealed the horizon-scale radiation of Sagittarius A* (Sgr A*), our galaxy's central supermassive black hole, offering a new platform to test…