Null geodesics in perturbed space-times

Apr 13, 1993
24 pages
Published in:
  • Astrophys.J. 415 (1993) 459
e-Print:
Report number:
  • PRINT-93-0338 (HARVARD-SMITHSONIAN),
  • CFA-3606

Citations per year

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Abstract: (arXiv)
We present a generalization and refinement of the Sachs-Wolfe technique which unifies many of the approaches taken to date and clarifies both the physical and the mathematical character of the method. We illustrate the formalism with a calculation of the behavior of light passing a moving lens on a Minkowski background.