General future asymptotically flat spacetimes
General future asymptotically flat spacetimes
复制标题
一般未来渐近平坦时空
DOI：
--
复制
发表时间：
1987
期刊：
影响因子：
--
通讯作者：
O. Moreschi
中科院分区：
文献类型：
--
作者：
O. Moreschi
渐近平坦时空的标准概念受到了艾萨克森、威林和威尼库尔（1984）发现的例子的挑战，这些例子显示了对数渐近行为。在这里，引入了一般未来渐进平坦（GeFAF）时空的几何定义，并在全文中系统地研究了其含义。共形技术的使用，但没有提到的领域方程。特别是对数行为进行了研究。对于一般的GeFAF情况，推导出辐射场总是渐近地表现为1/r。
The standard notions of asymptotically flat spacetimes have been challenged by the examples found by Isaacson, Welling and Winicour (1984), which show logarithmic asymptotic behaviour. Here, a geometrical definition of general future asymptotically flat (GeFAF) spacetimes is introduced, and its implications are systematically studied throughout the paper. Conformal techniques are used, but no reference to field equations is made. In particular logarithmic behaviour is studied. For the general GeFAF case it is deduced that the radiation fields always behave like 1/r asymptotically.