This paper explores the dynamical feature of Hayward-Letelier black holes in AdS spacetime,emphasizing the effects of the Hayward parameter g,mass M,cosmological constant L,and modification parameterαon their geometr...This paper explores the dynamical feature of Hayward-Letelier black holes in AdS spacetime,emphasizing the effects of the Hayward parameter g,mass M,cosmological constant L,and modification parameterαon their geometry,thermodynamics,and observational features.By utilizing an effective potential method,we investigate the paths of particles,innermost stable circular orbit,and behavior of photon spheres,which connects them to the appearance of black hole shadows.Thermodynamic features such as Hawking temperature and entropy are studied for investigating the effect of L and thermal fluctuations on the stability of black holes.These discoveries connect theoretical ideas with observational astrophysics,which enhances our comprehension of ordinary black holes in AdS models.In this study,we analytically compute the greybody factor for a massless scalar field propagating in the vicinity of a black hole under the assumption of weak coupling to gravity.We investigate the behavior of the effective potential concerning the black hole's mass and charge,revealing that it reaches its maximum at lower values of the cloud of strings parameter.Our results indicate that the radial absorption rate of the scalar field exhibits significant fluctuations,which is influenced by the charge of the black hole and clouds of string,with implications for the dynamics of scalar fields in strong gravitational fields.展开更多
基金Supported by the Ongoing Research Funding Program,(ORF-2025-650),King Saud University,Riyadh,Saudi Arabia.
文摘This paper explores the dynamical feature of Hayward-Letelier black holes in AdS spacetime,emphasizing the effects of the Hayward parameter g,mass M,cosmological constant L,and modification parameterαon their geometry,thermodynamics,and observational features.By utilizing an effective potential method,we investigate the paths of particles,innermost stable circular orbit,and behavior of photon spheres,which connects them to the appearance of black hole shadows.Thermodynamic features such as Hawking temperature and entropy are studied for investigating the effect of L and thermal fluctuations on the stability of black holes.These discoveries connect theoretical ideas with observational astrophysics,which enhances our comprehension of ordinary black holes in AdS models.In this study,we analytically compute the greybody factor for a massless scalar field propagating in the vicinity of a black hole under the assumption of weak coupling to gravity.We investigate the behavior of the effective potential concerning the black hole's mass and charge,revealing that it reaches its maximum at lower values of the cloud of strings parameter.Our results indicate that the radial absorption rate of the scalar field exhibits significant fluctuations,which is influenced by the charge of the black hole and clouds of string,with implications for the dynamics of scalar fields in strong gravitational fields.
