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arXiv 0907.5555hep-th
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再论扭曲AdS_3黑洞的吸收截面

Absorption cross section in warped AdS_3 black hole revisited

Hsien-Chung Kao, Wen-Yu Wen

摘要:

研究了弯曲AdS_3黑洞中最小耦合标量的吸收截面.计算结果表明,在低能极限下,截面减小到了视界区,这与以往的计算结果不同,我们还计算了灰体因子,发现两种手征CFT的有效温度与由准正规模得到的结果一致。观察到的扭曲AdS/CFT对应,我们怀疑,一个特定的部门的CFT运营商与所需的共形尺寸可能是负责的扭曲AdS_3黑洞的特殊的热行为。

英文摘要:

We investigate the absorption cross section for minimal-coupled scalars in the warped AdS_3 black hole. According to our calculation, the cross section reduces to the horizon area in the low energy limit as usually expected in contrast to what was previously found. We also calculate the greybody factor and find that the effective temperatures for the two chiral CFT's are consistent with that derived from the quasinormal modes. Observing the conjectured warped AdS/CFT correspondence, we suspect that a specific sector of the CFT operators with the desired conformal dimension could be responsible for the peculiar thermal behaviour of the warped AdS_3 black hole.

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