14 papers
Lorentz Symmetry Breaking Traversable Wormhole Models Supported by Einasto Dark Matter
Rana Muhammad Zulqarnain, M. Yousaf, Allah Ditta +3
We investigate static, spherically symmetric traversable wormholes in Kalb Ramond gravity, where spontaneous Lorentz symmetry breaking arises from a non-vanishing vacuum expectatio…
Probing scalarized wormholes through quasi-periodic oscillations and spinning particle dynamics
Asalkhon Alimova, Akbar Davlataliev, Farruh Atamurotov +3
We investigate the dynamics of test particles in a three-parameter scalarized wormhole spacetime within Einstein-scalar field theory. For spinless particles, we derive the orbital…
Probing Quantum Gravity through Chaotic Orbits and Strong-Field Effects in Kerr Black Holes Embedded in Perfect Fluid Dark Matter
Shubham Kala, Sara Saghafi, M. Yousaf +4
The paper investigates how quantum‑gravity corrections and perfect fluid dark matter affect photon trajectories around a rotating (Kerr) black hole, using chaos diagnostics such as…
Role of spin-curvature and magnetic interactions on circular orbits of particles with magnetic monopole around Bardeen black holes
Shokhzod Jumaniyozov, Javlon Rayimbaev, Yuan Chengxun +3
The paper studies how the spin and magnetic charge of test particles affect circular orbits and collision energies around a regular Bardeen black hole that carries a magnetic monop…
Scalar and Electromagnetic Perturbations around a Black Hole with a Topological Defect: Quasinormal Modes and Quasi-bound States in a Plasma Medium
Dilmurod Umarov, Farruh Atamurotov, Ahmadjon Abdujabbarov +2
We investigated the influence of a plasma environment on the optical and perturbative properties of a black hole with a topological defect, characterized by the parameter \(k\). We…
Chaotic behaviors of particles around the black hole with an anisotropic matter immersed in a magnetic field
Khusan Alibekov, Hocheol Lee, Yovqochev Pahlavon +4
We present an exact solution to the Einstein-Maxwell equations that describes a static black hole coexisting with anisotropic matter immersed in an external magnetic field, obtaine…