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Second post-Minkowskian order harmonic metric for a moving Kerr-Newman black hole
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作者 guan-sheng he Wen-Bin Lin 《Research in Astronomy and Astrophysics》 SCIE CAS CSCD 2015年第5期646-650,共5页
We apply the Lorentz boosting method to the Kerr-Newman metric in harmonic coordinates, and obtain the second post-Minkowskian order harmonic metric for a moving Kerr-Newman black hole with an arbitrary constant speed... We apply the Lorentz boosting method to the Kerr-Newman metric in harmonic coordinates, and obtain the second post-Minkowskian order harmonic metric for a moving Kerr-Newman black hole with an arbitrary constant speed. This metric may be useful for investigating observable relativistic effects due to the motion of the moving source. As an application, the post-Newtonian equations of motion for a particle and a photon in the far field of this black hole are calculated. 展开更多
关键词 black hole physics -- gravitation
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Gravitational Deflection of Massive Particles by a Schwarzschild Black Hole in Radiation Gauge
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作者 Zong-Hai Li Xia Zhou +1 位作者 Wei-Jun Li guan-sheng he 《Communications in Theoretical Physics》 SCIE CAS CSCD 2019年第10期1219-1226,共8页
The exact metric of a Schwarzschild black hole in the true radiation gauge was recently reported. In this work, we base on this gravity and calculate the gravitational deflection of relativistic massive particles up t... The exact metric of a Schwarzschild black hole in the true radiation gauge was recently reported. In this work, we base on this gravity and calculate the gravitational deflection of relativistic massive particles up to the fourth post-Minkowskian order. It is found that the result is consistent with the previous formulations for both the case of dropping the fourth-order contribution and the case of light deflection. Our result might be helpful for future high-accuracy observations. 展开更多
关键词 GRAVITATIONAL DEFLECTION RELATIVISTIC massive particles RADIATION GAUGE SCHWARZSCHILD black hole
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