C∞‐perturbations of a cosmological model

C∞‐perturbations of a cosmological model
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C∞-宇宙学模型的扰动

DOI:
10.1063/1.1666404
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发表时间:
1973
期刊:
影响因子:
--
通讯作者:
P. C. White
P. C. White
中科院分区:
--
文献类型:
--
作者:
P. C. White

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它表明,所谓的“矩条件”强加的R。K. Sachs和A. M.沃尔夫在他们对k = 0罗伯逊-步行者宇宙的扰动问题的一般处理中,都排除了物理上合理的解,并且是不必要的。这个限制可以通过建立萨克斯-沃尔夫解给出最一般的C∞解来消除,只要势是C∞。
It is shown that the so‐called ``moment condition'' imposed by R. K. Sachs and A. M. Wolfe in their general treatment of the pertrubation problem for k = 0 Robertson‐Walker universes both exclude physically reasonable solutions and are unnecessary. This restriction is removed by establishing that the Sachs‐Wolfe solution gives the most general C∞ solution provided the potentials are C∞.