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arXiv 2602.21865gr-qcastro-ph.HE
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从盘供旋转黑洞发射的解析力-free喷流

Analytic force-free jet from disk-fed rotating black holes

National Institute of Physics, University of the Philippines(菲律宾大学国家物理研究所)

Luis Villarin, Ian Vega

AI总结:

本文提出一种新的解析模型,描述从盘供旋转黑洞发射的力-free电磁喷流,通过系统性构造方法,发现喷流结构渐近抛物线,参数由盘中电流集中位置和符号反转位置决定,喷流特性对盘参数几乎不依赖,可能揭示慢速旋转黑洞喷流的普遍性。

摘要:

我们提出了一种新的解析模型,描述从盘供旋转黑洞发射的力-free电磁喷流。该喷流解在黑洞自转的首位近似下为力-free,并通过基于先前开发的解析方法的系统性构造获得。此处建模的黑洞喷流表现出渐近抛物线结构,并通过盘中电流集中位置和符号反转位置进行参数化。我们发现喷流特性对盘参数几乎不依赖,这表明可能慢速旋转黑洞喷流相对于盘结构具有普遍性。我们的喷流模型再现了Blandford-Znajek机制预期的关键特征。

英文摘要:

We present a new analytic model of a force-free electromagnetic jet launched from a disk-fed rotating black hole. The jet solution is force-free to first order in the black hole spin and is obtained through a systematic construction based on previously developed analytical methods. The black hole jet modeled here exhibits an asymptotically parabolic structure and is parametrized by the location of the current concentration and sign reversal on the thin magnetized disk in the equatorial plane. We find that the jet properties show negligible dependence on the disk parameter, suggesting a possible universality of slowly rotating black hole jets with respect to disk structure. Our jet model reproduces the key features expected from the Blandford-Znajek mechanism.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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