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arXiv 0912.4776astro-ph.HE
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黑洞双星中3:2 HFQPO对的磁连接共振模型

A resonance model with magnetic connection for 3:2 HFQPO pairs in black hole binaries

Chang-Yin Huang, Zhao-Ming Gan, Jiu-Zhou Wang, Ding-Xiong Wang

摘要:

我们将周转共振应用于相对论性吸积盘与黑洞的磁连接,解释了在三个黑洞X射线双星中观测到的3:2对高频准周期振荡.结果表明,3:2的HFQPO对与陡峭的幂律态有关,在MC过程中,通过将能量和角动量从自旋BH转移到内盘,可以克服严重的阻尼.

英文摘要:

We apply epicyclic resonances to the magnetic connection (MC) of a black hole (BH) with a relativistic accretion disc, interpreting the high frequency quasi-periodic oscillations (HFQPOs) with 3:2 pairs observed in three BH X-ray binaries. It turns out that the 3:2 HFQPO pairs are associated with the steep power-law states, and the severe damping can be overcome by transferring energy and angular momentum from a spinning BH to the inner disc in the MC process.

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