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- Shanxi UniversityCN27 papers
- Chinese Academy of SciencesCN17 papers
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- Taiyuan University of Science and TechnologyCN13 papers
- Institute of Theoretical PhysicsCN11 papers
- Durham UniversityGB10 papers
- University of Science and Technology of ChinaCN10 papers
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- Institute of PhysicsPL7 papers
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192 papers
Gravitational-wave imprints of Kerr--Bertotti--Robinson black holes: frequency blue-shift and waveform dephasing
Xiang-Qian Li, Hao-Peng Yan, Xiao-Jun Yue
We investigate the orbital dynamics and gravitational wave signatures of neutral Extreme Mass Ratio Inspirals (EMRIs) in the spacetime of a Kerr black hole immersed in an asymptoti…
Images of shadow and thin accretion disk around Bardeen black hole surrounded by perfect fluid dark matter
Haiyuan Feng, Ziqiang Cai, Hao-Peng Yan +2
We investigate the shadow and optical appearance of Bardeen black hole (BH) immersed in perfect fluid dark matter (PFDM). Using EHT observations of M87* and Sgr A*, we constrain th…
Cosmological Constraints on 4D Einstein-Gauss-Bonnet Gravity and Kaniadakis Holographic Dark Energy: Implications for Black Hole Shadows
Xiang-Qian Li, Hao-Peng Yan, Xiao-Jun Yue
The direct imaging of black holes by the Event Horizon Telescope (EHT) enables strong-field tests of gravity. We study the cosmological evolution and the black-hole shadow radius i…
Unveiling spin-orbital angular momentum locking in photonic Dirac vortex cavities
Haitao Li, Jiusi Yu, Jiayu Fan +6
Dirac vortices, originally studied in quantum field theories to predict localized zero-energy modes, were recently realized in photonics, leading to Dirac vortex cavities. With top…
Broadband Simultaneous Beam Steering and Compressing Device Based on Subwavelength Protrusion Metallic Tunnels
Dongguo Zhang, Fei Sun, Qin Liao +2
Beam steering and beamwidth compressing play a role in steering the beam and narrowing its half-power beamwidth, respectively, which are both widely applied in extending the effect…
Scalar leptoquark contributions to the process
Shi-Ping He
In this manuscript, we study the general scalar leptoquark contributions to the process at one-loop level. We find that the contributions only show up for the of…