Chin. Phys. Lett.  2002, Vol. 19 Issue (4): 474-476    DOI:
Original Articles |
First Quantum Correction to Dirac Entropy for Rotating U(1) U(1) Dilaton Black Hole
GAO Chang-Jun1,2;SHEN You-Gen1,2,3
1Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030 2National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012 3Institute of Theoretical physics, Chinese Academy of Sciences, Beijing 100080
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GAO Chang-Jun, SHEN You-Gen 2002 Chin. Phys. Lett. 19 474-476
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Abstract The first quantum correction to rotating U(1) U(1) dilaton black hole entropy is calculated by using the improved brick wall model. We propose not to consider superradiant mode for the reason that fermion fields do not display supperradiance. We found that the nonsuperradiant mode does contribute exactly the first quantum correction to the non-extreme black hole entropy. Moreover, our cut-off Newman-Penrose ε which does not require an angular cut-off is independent of angle. As for the extreme black hole, we found that its entropy is zero.
Keywords: 04.70.Dy      04.62.v      04.60.+n     
Published: 01 April 2002
PACS:  04.70.Dy (Quantum aspects of black holes, evaporation, thermodynamics)  
  04.62.v  
  04.60.+n  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2002/V19/I4/0474
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