Particle Motion around Charged Black Holes in Generalized Dilaton-Axion Gravity

被引:4
|
作者
Sarkar, Susmita [1 ]
Rahaman, Farook [1 ]
Radinschi, Irina [2 ]
Grammenos, Theophanes [3 ]
Chakraborty, Joydeep [4 ]
机构
[1] Jadavpur Univ, Dept Math, Kolkata 700032, W Bengal, India
[2] Gheorghe Asachi Tech Univ, Dept Phys, Iasi 700050, Romania
[3] Univ Thessaly, Dept Civil Engn, Volos 38334, Greece
[4] Nagar Coll, Dept Math, PO Nagar, Mursidabad, W Bengal, India
关键词
D O I
10.1155/2018/5427158
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
The behaviour of massive and massless test particles around asymptotically flat and spherically symmetric, charged black holes in the context of generalized dilaton-axion gravity in four dimensions is studied. All the possible motions are investigated by calculating and plotting the corresponding effective potential for the massless and massive particles as well. Further, the motion of massive (charged or uncharged) test particles in the gravitational field of charged black holes in generalized dilaton-axion gravity for the cases of static and nonstatic equilibrium is investigated by applying the Hamilton-Jacobi approach.
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页数:8
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