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arXiv 1608.05974gr-qcastro-ph.HEhep-th
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弦论中黑洞周围的定常带电标量云

Stationary Charged Scalar Clouds around Black Holes in String Theory

Canisius Bernard

摘要:

据报道,Kerr-Newman黑洞在其外部区域可以支持线性带电标量场。这些静止的大质量带电标量场可以形成束缚态,称为静止标量云。在本文中,我们表明,Kerr-Sen黑洞也可以支持静止的大质量带电标量云的Klein-Gordon波动方程的径向部分的近区和远区的解决方案相匹配。我们还回顾了在杂合弦场论的低能极限下,静态带电黑洞解背景下的定常标量云,即Gibbons-Maeda-Garfinkle-Horowitz-Strominger黑洞.

英文摘要:

It was reported that Kerr-Newman black holes can support linear charged scalar fields in their exterior regions. These stationary massive charged scalar fields can form bound states, which are called stationary scalar clouds. In this paper, we show that Kerr-Sen black holes can also support stationary massive charged scalar clouds by matching the near- and far-region solutions of the radial part of the Klein-Gordon wave equation. We also review stationary scalar clouds within the background of static electrically charged black hole solutions in the low-energy limit of heterotic string field theory, namely, the Gibbons-Maeda-Garfinkle-Horowitz-Strominger black holes.

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