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Temporal 1/f Fluctuations from Fractal Magnetic Fieldsin Black Hole Accretion Flow 

作成者 松元, 亮治
キーワード等 Accretion, accretion disks, Advection, dominated flow, Black holes, Fractal, Magnetohydrodynamics
日本十進分類法 (NDC) 440
内容 Rapid fluctuation with a frequency dependence of 1/f (with ' 1-2) is characteristic of radiationfrom black-hole objects. Its origin remains poorly understood. We examine the three-dimensional mag-netohydrodynamical (MHD) simulation data, finding that a magnetized accretion disk exhibits both 1/ffluctuation (with '2) and a fractal magnetic structure (with the fractal dimension of D1.9). The frac-tal field configuration leads reconnection events with a variety of released energy and of duration, therebyproducing 1/f fluctuations.
作成日付 1999-12
コンテンツの種類 プレプリント Preprint
DCMI資源タイプ text
ファイル形式 application/pdf
ハンドルURL http://mitizane.ll.chiba-u.jp/meta-bin/mt-pdetail.cgi?cd=00020211
フルテキストへのリンク http://mitizane.ll.chiba-u.jp/metadb/up/joho/matsumoto_9912510_X.pdf
言語 英語


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Accretion, accretion disks
Advection
dominated flow
Black holes
Fractal
Magnetohydrodynamics