COMMENT: Progressing waves in flat spacetime and in plane-wave spacetimes

COMMENT: Progressing waves in flat spacetime and in plane-wave spacetimes
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评论:平坦时空和平面波时空中的行进波

DOI:
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发表时间:
1987
期刊:
影响因子:
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通讯作者:
R. S. Ward
R. S. Ward
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文献类型:
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作者:
R. S. Ward

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本文讨论波动方程平方算子φ =0的简单渐近解.在平坦时空中,这些都是弗里德兰德在1946年发现的。它表明,所有的情况下,他列举了一个单一的行波解的特殊情况下,在平面波引力背景。最后,前进波被用来获得一个推广,平面波时空,惠特克的公式(1903年)的解决方案的波动方程在平坦的空间。
This comment is concerned with simple progressing solutions of the wave equation Square Operator phi =0. In flat spacetime, these were all found by Friedlander in 1946. It is shown that all of the cases he enumerated are special cases of a single progressing-wave solution in a plane-wave gravitational background. Finally, progressing waves are used to obtain a generalisation, to plane-wave spacetime, of Whittaker's formula (1903) for solutions of the wave equations in flat space.