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arXiv 0904.0085hep-th
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拓扑有质量引力场临界点的吸收截面

Absorption cross section in the topologically massive gravity at the critical point

John J. Oh, Wontae Kim

摘要:

扭曲的AdS $_3$黑洞背景的吸收截面表明,即使考虑s波极限,它也大于面积。这引起了一些问题,是否偏离面积截面是由于扭曲的配置的几何或旋转的坐标系,这两种效果是混合在扭曲的AdS $_3$黑洞。因此,我们研究了在无翘曲因子的旋转坐标系中,在约化为BTZ黑洞的临界点处,在翘曲的AdS $_3$背景下传播标量场的低频散射动力学,表明在临界点处不存在形变效应.

英文摘要:

The absorption cross section for the the warped AdS$_3$ black hole background shows that it is larger than the area even if the s-wave limit is considered. It raises some question whether the deviation from the areal cross section is due to the warped configuration of the geometry or the rotating coordinate system, where these two effects are mixed up in the warped AdS$_3$ black hole. So, we study the low-frequency scattering dynamics of propagating scalar fields under the warped AdS$_3$ background at the critical point which reduces to the BTZ black hole in the rotating frame without the warped factor, which shows that the deformation effect at the critical point does not appear.

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