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后牛顿近似的不合理有效性The Unreasonable Effectiveness of the Post-Newtonian Approximation |
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| 课程网址: | http://videolectures.net/chandrasekhar_will_newtonian/ |
| 主讲教师: | Abhay V. Ashtekar, Clifford M. Will |
| 开课单位: | 圣路易斯华盛顿大学 |
| 开课时间: | 2011-04-08 |
| 课程语种: | 英语 |
| 中文简介: |  |
| 课程简介: | The post-Newtonian approximation is a method for solving Einstein's field equations for physical systems in which motions are slow compared to the speed of light and where gravitational fields are weak. Yet it has proven to be remarkably effective in describing certain strong-field, fast-motion systems, including binary pulsars containing dense neutron stars and binary black hole systems inspiraling toward a final merger. The reasons for this effectiveness are largely unknown. When carried to high orders in the post-Newtonian sequence, predictions for the gravitational-wave signal from inspiraling compact binaries will play a key role in gravitational-wave detection by laser-interferometric observatories. |
| 关 键 词: | 后牛顿近似; 爱因斯坦物理系统场方程; 快速运动系统; 强场; 牛顿后序列; 引力波信号 |
| 课程来源: | 视频讲座网 |
| 最后编审: | 2019-10-22：cwx |
| 阅读次数: | 103 |