Null Geodesics in Perturbed Spacetimes

Abstract

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.

24 pages

Cited by in corpus (51)

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