Temporal 1/f?± Fluctuations from Fractal Magnetic Fields in Black-Hole Accretion Flow

Kawaguchi Toshihiro; Mineshige Shin; Machida Mami; Matsumoto Ryoji; Shibata Kazunari

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Temporal 1/f?± Fluctuations from Fractal Magnetic Fields in Black-Hole Accretion Flow

机译：黑洞吸积流中分形磁场的时间1 / f？±涨落

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Rapidfluctuationwithafrequencydependenceof1/f?±(with?±a‰?1a€“2)ischaracteristicofradiationfromblack-holeobjects.Itsoriginremainspoorlyunderstood.Weexaminedthree-dimensionalmagnetohydrodynamicalsimulationdata,findingthatamagnetizedaccretiondiskexhibitsboth1/f?±fluctuation(with?±a‰?2)andafractalmagneticstructure(withthefractaldimensionofDa??1.9).Thefractalfieldconfigurationleadstoreconnectioneventswithavarietyofreleasedenergyandduration,therebyproducing1/f?±fluctuations.

机译：频率依赖性为1 / f？±（具有？±a？1a？2）的快速波动是黑洞物体辐射的特征。其起源仍然很难被理解。我们研究了三维磁流体动力学模拟数据，发现磁化吸积盘的分形为（f？±±）的（1.9）。分形场配置引线存储连接事件具有释放能量和持续时间，从而产生1 / f？±波动。

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《PASJ: Publications of the Astronomical Society of Japan》 |2000年第1期|共页
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Kawaguchi Toshihiro; Mineshige Shin; Machida Mami; Matsumoto Ryoji; Shibata Kazunari;
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Temporal 1/f?± Fluctuations from Fractal Magnetic Fields in Black-Hole Accretion Flow

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