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Chin. Phys. B, 2008, Vol. 17(3): 825-828    DOI: 10.1088/1674-1056/17/3/016
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Hawking radiation from the Schwarzschild black hole with a global monopole via gravitational anomaly

Peng Jun-Jin(彭俊金) and Wu Shuang-Qing(吴双清)
College of Physical Science and Technology, Central China Normal University, Wuhan 430079, China
Abstract  This paper derives the Hawking flux from the Schwarzschild black hole with a global monopole by using Robinson and Wilczek's method. Adopting a dimensional reduction technique, it can describe the effective quantum field in the (3+1)-dimensional global monopole background by an infinite collection of the (1+1)-dimensional massless fields if neglecting the ingoing modes near the horizon, where the gravitational anomaly can be cancelled by the (1+1)-dimensional black body radiation at the Hawking temperature.
Keywords:  gravitational anomaly      Hawking radiation      black hole      global monopole  
Received:  11 July 2007      Revised:  02 August 2007      Accepted manuscript online: 
PACS:  04.70.Dy (Quantum aspects of black holes, evaporation, thermodynamics)  
  04.60.-m (Quantum gravity)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No 10675051).

Cite this article: 

Peng Jun-Jin(彭俊金) and Wu Shuang-Qing(吴双清) Hawking radiation from the Schwarzschild black hole with a global monopole via gravitational anomaly 2008 Chin. Phys. B 17 825

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