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arXiv 1805.00295gr-qc
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广义强子-轴子引力中带电黑洞周围的粒子运动

Particle motion around charged black holes in generalized dilaton-axion gravity

Susmita Sarkar, Farook Rahaman, Irina Radinschi, Theophanes Grammenos, Joydeep Chakraborty

摘要:

本文研究了四维广义强子-轴子引力中有质量和无质量的试验粒子围绕渐近平坦球对称带电黑洞的行为。所有可能的运动进行了研究,计算和绘制相应的有效势的无质量和有质量的粒子以及。进一步,应用Hamilton-Jacobi方法研究了广义强子-轴子引力中带电黑洞引力场大质量(带电或不带电)测试粒子在静态和非静力平衡情况下的运动.

英文摘要:

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 non-static equilibrium is investigated by applying the Hamilton-Jacobi approach.

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