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arXiv 1104.0356gr-qc
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五维膨胀黑洞中标量场和Dirac场的反常霍金辐射

Hawking Radiation for Scalar and Dirac Fields in Five Dimensional Dilatonic Black Hole via Anomalies

Ramón Becar, P. A. González

摘要:

研究了在五维强子黑洞背景中传播的大质量标量场和Dirac场。我们发现,这两个领域的物理可以描述的二维理论,在地平线附近。然后,在此极限下,利用协变反常方法,通过恢复规范不变性和广义坐标协变性,得到了与费米子Planck分布积分得到的通量一致的Hawking通量。

英文摘要:

We study massive scalar fields and Dirac fields propagating in a five dimensional dilatonic black hole background. We expose that for both fields the physics can be describe by a two dimensional theory, near the horizon. Then, in this limit, by applying the covariant anomalies method we find the Hawking flux by restoring the gauge invariance and the general coordinate covariance, which coincides with the flux obtained from integrating the Planck distribution for fermions.

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