《從零學相對論》連載26
發(fā)布時間:2018-10-17 17:54
【摘要】:正§8.8伯克霍夫定理正如§6.5所云,史瓦西之所以能夠很快就求得真空愛因斯坦方程的第一個精確解,是因為他巧妙地利用了問題本身的對稱性——恒星既是球?qū)ΨQ的,又是靜態(tài)的.然而,任何恒星都不是永恒不變的,它們也像人一樣要經(jīng)歷生、老、病、死等各個演化階段,恒星在許多階段中并不處于靜態(tài)之中,這時恒星外部的時空幾何還可用史瓦西真空線元式(8-7-1)描述嗎?如果有人向史瓦西提出這個問題,恐怕
[Abstract]:8. 8. Birkhoff Theorem, as in 摟6.5, Schwartz was able to quickly find the first exact solution to the vacuum Einstein equation because he skilfully took advantage of the symmetry of the problem itself-stars are spherical symmetry. It's static again. However, no star is permanent, and like a human being, it has to go through many stages of evolution, such as life, old age, sickness, death, and stars are not static in many stages. Can the space-time geometry outside the star be described by Swarthy's vacuum line element (8-7-1)? If this question were to be raised with Schwarzenegger, I am afraid
【作者單位】: 北京師范大學物理系;中科院應用數(shù)學所;
【分類號】:P159
本文編號:2277486
[Abstract]:8. 8. Birkhoff Theorem, as in 摟6.5, Schwartz was able to quickly find the first exact solution to the vacuum Einstein equation because he skilfully took advantage of the symmetry of the problem itself-stars are spherical symmetry. It's static again. However, no star is permanent, and like a human being, it has to go through many stages of evolution, such as life, old age, sickness, death, and stars are not static in many stages. Can the space-time geometry outside the star be described by Swarthy's vacuum line element (8-7-1)? If this question were to be raised with Schwarzenegger, I am afraid
【作者單位】: 北京師范大學物理系;中科院應用數(shù)學所;
【分類號】:P159
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