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arXiv 1408.4949gr-qc
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黑洞场中的加速轨道:静态情形

Accelerated orbits in black hole fields: the static case

Donato Bini, Fernando de Felice, Andrea Geralico

摘要:

本文以史瓦西时空为背景,研究了具有结构的测试粒子的非测地线轨道。我们开发了一种形式主义,它允许人们认识到这些轨道的几何特征的Frenet-Serret参数,并将其应用到明确的情况下,作为那些空间圆形轨道,见证下相互作用的冲突类型的平衡。在我们的一般分析中,我们解决了运动方程,提供了一个详细的动态图像,并考虑了一个可能的天文设置。我们专注于某些模糊性困扰的解释的测量,防止识别的特定结构所携带的粒子。

英文摘要:

We study non-geodesic orbits of test particles endowed with a structure, assuming the Schwarzschild spacetime as background. We develop a formalism which allows one to recognize the geometrical characterization of those orbits in terms of their Frenet-Serret parameters and apply it to explicit cases as those of spatially circular orbits which witness the equilibrium under conflicting types of interactions. In our general analysis we solve the equations of motion offering a detailed picture of the dynamics having in mind a check with a possible astronomical set up. We focus on certain ambiguities which plague the interpretation of the measurements preventing one from identifying the particular structure carried by the particle.

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