Astronomy and Astrophysics – Astrophysics
Scientific paper
2006-06-26
New Astron.Rev. 50 (2006) 932-937
Astronomy and Astrophysics
Astrophysics
6 pages, 7 figures, submitted to proceedings of the Fundamental Physics With CMB workshop, UC Irvine, March 23-25, 2006, to be
Scientific paper
10.1016/j.newar.2006.09.017
Recent detections of the Integrated Sachs-Wolfe effect through the correlation of the cosmic microwave background temperature anisotropy with traces of large scale structure provided independent evidence for the expansion of the universe being dominated by something other than matter. Even with perfect data, statistical errors will limit the accuracy of such measurements to worse than 10%. On the other hand, the extraordinary sensitivity of the ISW effect to the details of structure formation should help to make up for the lack of precision. In these conference proceedings I discuss the extent to which future ISW measurements can help in testing the physics responsible for the observed cosmic acceleration.
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