旋转、带电、加速黑洞周围的磁化相对论吸积盘：C度规情形
Magnetised relativistic accretion disc around a spinning, electrically charged, accelerating black hole: case of C-metric
AI总结：
本文针对C度规描述的加速运动带电黑洞，研究其周围磁化厚吸积盘的平衡形状，分析大尺度磁场强度等参数影响，证明可通过环面特征区分C度规与克尔度规，为数值模拟提供测试平台。
摘要：
本文研究了由C度规族描述的、加速运动带电黑洞周围几何厚吸积盘的广义相对论模型。我们旨在通过平衡形状序列，研究时空背景对厚盘模型磁化版本的影响。在维持非自引力（测试）流体假设的前提下，我们新探索了大尺度磁场强度的影响，其磁力线在黑洞视界长度尺度上组织。我们系统分析了所采用场景的广泛参数空间依赖性。我们证明，原则上可通过分辨环面的特定（尽管相当精细）特征（如中心位置、内外边缘及整体形状），将C度规与克尔黑洞度规区分开。该解析设置可作为数值模拟的测试平台。
英文摘要：
This paper examines the general relativistic model of a geometrically thick configuration of an accretion disc around an electrically charged black hole in an accelerated motion, as described by the C-metric family. We aim to study the effects of the spacetime background on the magnetised version of the thick disc model via the sequences of figures of equilibrium. While maintaining the assumption of non-selfgravitating (test) fluid, we newly explore the influence of the strength of the large-scale magnetic field with field lines organised over the length-scale of the black hole horizon. We systematically analyze the dependence on a very broad parameter space of the adopted scenario. We demonstrate that the C-metric can, in principle, be distinguished from Kerr black hole metric by resolving specific (albeit rather fine) features of the torus, such as the location of its centre, inner and outer rims, and the overall shape. The analytical setup can serve as a testbed for numerical simulations.
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