Astronomy and Astrophysics – Astrophysics
Scientific paper
1996-09-16
Astron.Astrophys.321:8-9,1997
Astronomy and Astrophysics
Astrophysics
2 pages, LaTeX uses laa.sty, no figures. Submitted to Astronomy & Astrophysics
Scientific paper
We present a pedagogical derivation of the Sachs-Wolfe effect, specifically
the factor 1/3 relating the temperature fluctuations to gravitational
potentials. The result arises from a cancellation between gravitational
redshifts and intrinsic temperature fluctuations which can be derived from a
coordinate transformation of the background.
Hu Wayne
White Martin
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