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Secondary CMB Anisotropy - Wayne Hu's Tutorials

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Cross Correlation with Temperature<br />

• Any correlation is a direct detection of a smooth energy<br />

density component through the ISW effect<br />

• 5 nearly independent measures in temperature & polarization<br />

cross power<br />

10 –9<br />

10 –10<br />

10 –11<br />

Hu (2001); Hu & Okamoto (2001)<br />

"Perfect"<br />

Planck<br />

10 100 1000<br />

L

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