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By 许殿彦


K=+1的Friedmann宇宙的度规为 ds~2=dt~2-a~2(t)[dx~2+sin~2x(dθ~2+sin~2θdφ~2)] (1) 由(1)可构造零标架 l_μ=1/2~(1/2)(1,a,0,0) n_μ=1/2~(1/2)(1,+a,0,0) (2) m_μ=1/2~(1/2)(0,0,asinx,-iasinxsinθ) (?)=1/2~(1/2)(0,0,asinx,-iasinxsinθ) (2)满足 由度规、零标架和第二类Christoffel符号,按Newman和Penrose文章(以下简称NP文章)的(4.1a)式求得旋系数如下:00419-2

Topics: 场方程, 度规, 标架, 弯曲时空, 分离变量, 静止质量, 对易关系, Friedmann, Penrose, Newman
Publisher: 北京大学学报 自然科学版
Year: 1983
OAI identifier: oai:localhost:20.500.11897/22384
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