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arXiv 0709.0167hep-thgr-qc
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彩虹引力理论中修正黑洞的协变anomaly和霍金辐射

Covariant anomaly and Hawking radiation from the modified black hole in the rainbow gravity theory

Jun-Jin Peng, Shuang-Qing Wu

摘要:

最近,Banerjee和Kulkarni(R。班纳吉河Kulkarni,arXiv:0707.2449 [hep-th])提出,仅使用协变异常从黑洞导出霍金辐射在概念上是干净和经济的。在此基础上,我们应用协变反常抵消方法研究了彩虹引力理论中修正的Schwarzschild黑洞的霍金辐射.引力彩虹黑洞的霍金温度是由能量动量流通过要求它抵消视界处的协变引力异常而导出的。我们强调,这个温度与用一致异常抵消法计算的温度完全相同。

英文摘要:

Recently, Banerjee and Kulkarni (R. Banerjee, S. Kulkarni, arXiv:0707.2449 [hep-th]) suggested that it is conceptually clean and economical to use only the covariant anomaly to derive Hawking radiation from a black hole. Based upon this simplified formalism, we apply the covariant anomaly cancellation method to investigate Hawking radiation from a modified Schwarzschild black hole in the theory of rainbow gravity. Hawking temperature of the gravity's rainbow black hole is derived from the energy-momentum flux by requiring it to cancel the covariant gravitational anomaly at the horizon. We stress that this temperature is exactly the same as that calculated by the method of cancelling the consistent anomaly.

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