Particle motion and lensing with plasma of acoustic Schwarzschild black hole

被引:10
|
作者
Ditta, Allah [1 ]
Xia, Tiecheng [1 ]
Yasir, Muhammad [1 ]
机构
[1] Shanghai Univ, Dept Math, Shanghai 200444, Peoples R China
来源
基金
中国国家自然科学基金;
关键词
Acoustic black hole; plasma field; weak gravitational field; particle motion; deflection angle; image magnification; ANALOG HAWKING RADIATION; OPTICAL-PROPERTIES; CIRCULAR ORBITS; SPACETIME; HORIZONS; DYNAMICS; GEOMETRY; FIELD;
D O I
10.1142/S0217751X23500410
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
This paper is motivationally based on the study revealing the characteristics of Acoustic Schwarzschild BHs in respect of particle dynamics, and weak gravitational plasma lensing. We discuss the particle dynamics by studying the effective potential, ISCO, for massive particle and photon motion. We consider the weak gravitation field to study the gravitational lensed photons. This purpose of lensing is served by taking under consideration three fields of plasma uniform plasma, singular isothermal sphere and a nonsingular isothermal sphere. Each field is separately incorporated to calculate the plasma deflection angle, which is further utilized in the image magnification associated with the source brightness for uniform plasma and singular isothermal sphere as a selective case. All the obtained results are compared with the Schwarzschild black hole case as a standard.
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收藏
页数:26
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