Black hole images: A review
In recent years, unprecedented progress has been achieved regarding black holes'
observation through the electromagnetic channel. The images of the supermassive black …
observation through the electromagnetic channel. The images of the supermassive black …
A review on analytical studies in Gravitational Lensing
In this study, we review some current studies on gravitational lensing for black holes, mainly
in the context of general relativity. We mainly focus on the analytical studies related to …
in the context of general relativity. We mainly focus on the analytical studies related to …
Horizon-scale tests of gravity theories and fundamental physics from the Event Horizon Telescope image of Sagittarius A
Horizon-scale images of black holes (BHs) and their shadows have opened an
unprecedented window onto tests of gravity and fundamental physics in the strong-field …
unprecedented window onto tests of gravity and fundamental physics in the strong-field …
Nonlinear electrodynamics effects on the black hole shadow, deflection angle, quasinormal modes and greybody factors
In this paper, we discuss the effects of nonlinear electrodynamics (NED) on non-rotating
black holes, parametrized by the field coupling parameter β and magnetic charge parameter …
black holes, parametrized by the field coupling parameter β and magnetic charge parameter …
Superradiant evolution of the shadow and photon ring of Sgr
Ultralight bosons can affect the dynamics of spinning black holes (BHs) via superradiant
instability, which can lead to a time evolution of the supermassive BH shadow. We study …
instability, which can lead to a time evolution of the supermassive BH shadow. We study …
Testing the rotational nature of the supermassive object M87* from the circularity and size of its first image
The Event Horizon Telescope (EHT) collaboration has recently released the first image of a
black hole (BH), opening a new window onto tests of general relativity in the strong field …
black hole (BH), opening a new window onto tests of general relativity in the strong field …
Superradiance evolution of black hole shadows revisited
Black hole (BH) shadows can be used to probe new physics in the form of ultralight particles
via the phenomenon of superradiant instability. By directly affecting the BH mass and spin …
via the phenomenon of superradiant instability. By directly affecting the BH mass and spin …
[HTML][HTML] Shadow, lensing, quasinormal modes, greybody bounds and neutrino propagation by dyonic ModMax black holes
Motivated by recent work on the Modified Maxwell (ModMax) black holes [Phys Lett B
10.1016/j. physletb. 2020.136011], which are invariant in duality rotations and conformal …
10.1016/j. physletb. 2020.136011], which are invariant in duality rotations and conformal …
[HTML][HTML] Light rings and shadows of static black holes in effective quantum gravity
W Liu, D Wu, J Wang - Physics Letters B, 2024 - Elsevier
Recently, two types of static black hole models that retain general covariance have been
proposed within the Hamiltonian constraint approach to effective quantum gravity (EQG). We …
proposed within the Hamiltonian constraint approach to effective quantum gravity (EQG). We …
Magnetically charged black holes from non-linear electrodynamics and the Event Horizon Telescope
Non-linear electrodynamics (NLED) theories are well-motivated extensions of QED in the
strong field regime, and have long been studied in the search for regular black hole (BH) …
strong field regime, and have long been studied in the search for regular black hole (BH) …