2 citations · 4 across the 18 of their papers we have counts for
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Polarization Images of Neutron Stars Illuminated by a Thin Accretion Disk: A Comparison with Black Holes
Dan-Dan Feng, Guo-Ping Li, Chen-Yu Yang +1
We investigate linear polarization images of static, spherically symmetric neutron stars illuminated by a geometrically and optically thin accretion disk. Neutron star equilibrium…
Polarization images of non-topological soliton Bardeen boson stars
Xiao-Xiong Zeng, Chen-Yu Yang, Ke-Jian He +1
In this study, we investigate the polarized images of non-topological soliton Bardeen boson stars by solving the coupled Einstein nonlinear electrodynamics complex scalar field equ…
Horizon-scale intensity and polarization images of rotating Konoplya-Zhidenko black holes with thick accretion flows
Bing-Bing Chen, Chen-Yu Yang, Guo-Ping Li +1
We investigate the shadow and polarization images of a Konoplya--Zhidenko rotating non-Kerr black hole surrounded by a geometrically thick and optically thin accretion flow. The ac…
Imprints of Black Hole Shadows and Polarization Patterns of Various Thick Disks: Bumblebee gravity
Muhammad Israr Aslam, Nazek Alessa, Chen-Yu Yang +1
The main objective of this study is to explore the shadow and polarization patterns of a Kerr-Sen-like BH induced from Bumblebee gravity, which, among other alternative theories of…
Unveiling Inner Shadows and Polarization Signatures of Rotating Einstein-Gauss-Bonnet Black Holes
Bing-Bing Chen, Chen-Yu Yang, Deyou Chen +1
Based on the backward ray-tracing method, this paper numerically investigates the shadow and polarization images of rotating Einstein-Gauss-Bonnet (EGB) black hole within the frame…
Distinguishing Black Holes and Neutron Stars via Optical Images Illuminated by Thick Accretion Disks
Chen-Yu Yang, Xiao-Xiong Zeng
This paper investigates the optical images of neutron stars within the framework of the radiatively inefficient accretion flow model, taking into account a polytropic equation of s…
Distinguishing Black Holes and Neutron Stars through Optical Images
Chen-Yu Yang, Xiao-Xiong Zeng
This paper employs the backward ray tracing method to study the optical images of neutron stars under the conditions of a spherical light source and a thin accretion disk, consider…
Imprints of Dark Matter on the Shadow and Polarization Images of a Black Hole Illuminated by Various Thick Disks
Muhammad Israr Aslam, Rabia Saleem, Chen-Yu Yang +1
Based on two distinct thick accretion flow disk models, such as a phenomenological RIAF-like model and an analytical Hou disk model, we investigate the impact of relevant parameter…
Probing Non-rotating Black Hole in Kalb-Ramond Gravity: Imaging and Polarized Signatures Surrounded by Different Thick Accretion Flows
Xiao-Xiong Zeng, Chen-Yu Yang, Muhammad Israr Aslam +1
In this work, we consider a spherically symmetric static black hole metric in Kalb-Ramond (KR) gravity, and investigate the impact of relevant parameters on the black hole shadow a…
Shadow and Polarization Images of Rotating Black Holes in Kalb-Ramond Gravity Illuminated by Several Thick Accretion Disks
Chen-Yu Yang, Huan Ye, Xiao-Xiong Zeng
Using ray-tracing techniques, this paper investigates the optical and polarization images of rotating black holes in Kalb-Ramond (KR) gravity illuminated by thick accretion disks.…
Observational features of the Bardeen-boson star with thin disk accretion
Chen-Yu Yang, Huan Ye, Xiao-Xiong Zeng
In this work, we construct spherically symmetric solutions of Bardeen--boson stars within the framework of the Einstein--Klein--Gordon theory coupled to nonlinear electrodynamics b…
Probing Horndeski Gravity via Kerr Black Hole: Insights from Thin Accretion Disks and Shadows with EHT Observations
Xiao-Xiong Zeng, Chen-Yu Yang, M. Israr Aslam +1
In this study, we have considered the Kerr-like black hole (BH) model in Horndeski gravity and analyse the visual characteristics of shadow images under two illumination models, su…
Polarization Images of Solitonic Boson Stars
Xiao-Xiong Zeng, Chen-Yu Yang, Hao Yu +1
This study investigates the polarization characteristics of solitonic boson stars surrounded by a thin accretion disk. By comparing their polarization images with corresponding opt…
Observational signatures and polarized images of rotating charged black holes in Kalb-Ramond Gravity
Chen-Yu Yang, Ke-Jian He, Xiao-Xiong Zeng +1
This paper investigates the shadow images of rotating charged black holes in Kalb-Ramond (KR) gravity, using an accretion disk that is both optically and geometrically thin and loc…
Optical Characteristics of the Kerr-Bertotti-Robinson Black Hole
Xiao-Xiong Zeng, Chen-Yu Yang, Hao Yu
The Kerr-Bertotti-Robinson (Kerr-BR) black hole, a theoretical model of a rotating black hole immersed in a uniform magnetic field, has been proposed recently by Podolsky and Ovcha…
Kerr-like Black Hole Surrounded by Cold Dark Matter Halo: The Shadow Images and EHT Constraints
Xiao-Xiong Zeng, Chen-Yu Yang, M. Israr Aslam +2
Here we provide shadow images of a Kerr-like black hole (BH) in cold dark matter (CDM) halo illuminated with a celestial light source and a thin accretion disk. The impact of spin…
The observation image of a soliton boson star illuminated by various accretions
Ke-Jian He, Guo-Ping Li, Chen-Yu Yang +1
In this paper, we explore the observable signatures of solitonic boson stars by employing ray-tracing simulations, with celestial spheres and thin accretion disks serving as illumi…
Optical Images of Mini Boson Stars in Palatini Gravity
Xiao-Xiong Zeng, Chen-Yu Yang, Yu-Xiang Huang +3
We investigate the optical properties of mini boson stars within the framework of Palatini gravity, adopting a quadratic form , where is the gravitation…