Secondary CMB Anisotropy - Wayne Hu's Tutorials
Secondary CMB Anisotropy - Wayne Hu's Tutorials
Secondary CMB Anisotropy - Wayne Hu's Tutorials
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Lensing in the Power Spectrum<br />
• Lensing smooths the power spectrum with a width Δl~60<br />
• Convolution with specific kernel: higher order correlations<br />
between multipole moments – not apparent in power<br />
10 –10<br />
10 –11<br />
Power 10–9<br />
10 –12<br />
10 –13<br />
Seljak (1996); Hu (2000)<br />
lensed<br />
unlensed<br />
Δpower<br />
10 100 1000<br />
l
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