| 2+1维de-Sitter时空中光线的轨迹 |
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| 引用本文： | 赵凡,贺锋. 2+1维de-Sitter时空中光线的轨迹[J]. 大学物理, 2009, 28(11) |
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| 作者姓名： | 赵凡 贺锋 |
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| 作者单位： | 湖南科技大学,物理学院,湖南,湘潭,411201 |
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| 基金项目： | 湖南科技大学研究生创新基金资助项目(S080111);;教育部留学回国人员科研启动基金资助项目(2004527);;湖南省自然科学基金资助项目(06JJ20026) |
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| 摘 要： | 通过求解2+1维de-Sitter时空中零测地线方程得到光线的轨迹方程,对轨迹方程进行分析发现其不存在封闭的轨迹解.
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| 关 键 词： | de-Sitter时空 测地线 光线轨迹 |
The ray trace in the (2+1) dimensional de-Sitter space-time |
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| ZHAO Fan,HE Feng. The ray trace in the (2+1) dimensional de-Sitter space-time[J]. College Physics, 2009, 28(11) |
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| Authors: | ZHAO Fan HE Feng |
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| Affiliation: | College of Physics;Hunan University of Science and Technology;Xiangtan;Hunan 411201;China |
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| Abstract: | Solving the geodesic equation in(2+1) dimensional de-Sitter space-time,we obtain the trace equation of ray.Analysing the solution,we find that there is not closed orbit in this space-time. |
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| Keywords: | de-Sitter space-time geodesic ray trace |
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