中国物理B ›› 2008, Vol. 17 ›› Issue (5): 1629-1632.doi: 10.1088/1674-1056/17/5/017

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Hawking radiation from gravity's rainbow via gravitational anomaly

杨树政1, 陈德友1, 曾晓雄2   

  1. (1)College of Physics and Electron, University of Electronic Science and Technology of China, Chendu 610054,China; (2)Institute of Theoretical Physics, China West Normal University, Nanchong 637002, China
  • 收稿日期:2007-08-21 修回日期:2007-09-14 出版日期:2008-05-20 发布日期:2008-05-20
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant No 10773008).

Hawking radiation from gravity's rainbow via gravitational anomaly

Zeng Xiao-Xiong(曾晓雄)a)†, Yang Shu-Zheng(杨树政)a)‡, and Chen De-You(陈德友)b)   

  1. a Institute of Theoretical Physics, China West Normal University, Nanchong 637002, China; b College of Physics and Electron, University of Electronic Science and Technology of China, Chendu 610054, China
  • Received:2007-08-21 Revised:2007-09-14 Online:2008-05-20 Published:2008-05-20
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No 10773008).

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摘要： Based on the anomaly cancellation method, initiated by Robinson and Wilczek, we investigates Hawking radiation from the modified Schwarzschild black hole from gravity's rainbow from the anomaly point of view. Unlike the general Schwarzschild space--time, the metric of this black hole depends on the energies of probes. The obtained result shows to restore the underlying general covariance at the quantum level in the effective field, the covariant compensating flux of energy--momentum tensor, which is related to the energies of the probes, should precisely equal to that of a (1 + 1) -dimensional blackbody at the Hawking temperature.

关键词: Hawking radiation, anomaly, gravity's rainbow, event horizon

Abstract: Based on the anomaly cancellation method, initiated by Robinson and Wilczek, we investigates Hawking radiation from the modified Schwarzschild black hole from gravity's rainbow from the anomaly point of view. Unlike the general Schwarzschild space--time, the metric of this black hole depends on the energies of probes. The obtained result shows to restore the underlying general covariance at the quantum level in the effective field, the covariant compensating flux of energy--momentum tensor, which is related to the energies of the probes, should precisely equal to that of a (1 + 1) -dimensional blackbody at the Hawking temperature.

Key words: Hawking radiation, anomaly, gravity's rainbow, event horizon

中图分类号:  (Quantum aspects of black holes, evaporation, thermodynamics)

  • 04.70.Dy
04.60.-m (Quantum gravity)