GRMHD and GRRT simulations of accretion onto a spinning Kerr-like wormhole show throat-dominated emission producing quasi-periodic modulations in 230 GHz light curves, distinct from Kerr black holes.
Springer Nature Singapore, Singa- pore, 2025
5 Pith papers cite this work, alongside 26 external citations. Polarity classification is still indexing.
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Visibility modulations from extra photon rings appear only for spherically symmetric boson stars near equatorial viewing angles; rotating models show incomplete crescent-shaped rings and no clean modulation.
Larger black holes in TDEs accrete more material and launch faster winds, with unbound mildly relativistic winds for higher viscosity parameters and bound convective outflows for lower ones.
Simulations show magnetic field configurations set truncation radii and resonant cavities that produce QPO frequencies in thin disks matching black hole X-ray binary observations.
A Kokkos-based C++ port of the SACRA numerical relativity code achieves ~10x speedup on GPU/APU over the Fortran CPU version while preserving waveform accuracy, pi-symmetry, and second-order convergence.
citing papers explorer
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Dynamics and Radiative Signatures of Accretion Flows onto a Kerr-like Wormhole
GRMHD and GRRT simulations of accretion onto a spinning Kerr-like wormhole show throat-dominated emission producing quasi-periodic modulations in 230 GHz light curves, distinct from Kerr black holes.
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Ray tracing ultracompact boson stars: visibility modulations and incomplete photon rings
Visibility modulations from extra photon rings appear only for spherically symmetric boson stars near equatorial viewing angles; rotating models show incomplete crescent-shaped rings and no clean modulation.
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Hydrodynamical simulation of wind production from hot accretion flows in tidal disruption events
Larger black holes in TDEs accrete more material and launch faster winds, with unbound mildly relativistic winds for higher viscosity parameters and bound convective outflows for lower ones.
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Magnetic Configuration Imprints on Quasi-Periodic Variability in GRMHD Simulations of Thin Accretion Disks
Simulations show magnetic field configurations set truncation radii and resonant cavities that produce QPO frequencies in thin disks matching black hole X-ray binary observations.
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SACRA-K: A Performance-Portable Numerical Relativity Code with Kokkos
A Kokkos-based C++ port of the SACRA numerical relativity code achieves ~10x speedup on GPU/APU over the Fortran CPU version while preserving waveform accuracy, pi-symmetry, and second-order convergence.