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| Divergence structure of the statistical entropy of the Dirac field in a plane symmetry black hole geometry | |
| 引用本文： | 李固强. Divergence structure of the statistical entropy of the Dirac field in a plane symmetry black hole geometry[J]. 中国物理, 2005, 14(3): 468-471 |
| 作者姓名： | 李固强 |
| 作者单位： | School of Information Technology and Science, Zhanjiang Normal College, Zhanjiang 524048, China |
| 摘 要： | The divergences at all levels for the statistical entropy of a plane symmetry black hole arising from the massless Dirac field are considered using the brick-wall model. It is shown that if we ignore the usual contribution from the vacuum surrounding the system, then the statistical entropy consists of two parts: one is the linearly divergent term which has the geometric character, the other consists of two logarithmically divergent terms which are not proportional to the surface area of the horizon. The entropy of the Dirac field on extremal plane symmetry spacetime background has higher divergence than usual. |
| 关 键 词： | 砖围墙结构 分支结构 平面对称 迪拉克场 统计熵 黑洞几何学 |
| 收稿时间： | 2004-07-12 |
| 修稿时间： | 2004-09-05 |
Divergence structure of the statistical entropy of the Dirac field in a plane symmetry black hole geometry |
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| Li Gu-Qiang. Divergence structure of the statistical entropy of the Dirac field in a plane symmetry black hole geometry[J]. Chinese Physics, 2005, 14(3): 468-471 | |
| Authors: | Li Gu-Qiang |
| Affiliation: | School of Information Technology and Science, Zhanjiang Normal College, Zhanjiang 524048, China |
| Abstract: | The divergences at all levels for the statistical entropy of a plane symmetry black hole arising from the massless Dirac field are considered using the brick-wall model. It is shown that if we ignore the usual contribution from the vacuum surrounding the system, then the statistical entropy consists of two parts: one is the linearly divergent term which has the geometric character, the other consists of two logarithmically divergent terms which are not proportional to the surface area of the horizon. The entropy of the Dirac field on extremal plane symmetry spacetime background has higher divergence than usual. |
| Keywords: | brick-wall model statistical entropy plane symmetry black hole Dirac field |
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