Secondary CMB Anisotropy
Secondary CMB Anisotropy - BCCP â Berkeley Center for ...
Secondary CMB Anisotropy - BCCP â Berkeley Center for ...
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B-mode Contamination from Reionization<br />
• Inhomogeneous reionization modulates polarization into B-modes<br />
(Hu 2000)<br />
• Large signals if ionization bubbles >100Mpc at z~20-30<br />
10 4<br />
10 3<br />
10 2<br />
10 5 100 1000<br />
500Mpc<br />
lensing<br />
∆ l<br />
2 [nK<br />
2 ]<br />
50Mpc<br />
Potentially removeable<br />
if large:<br />
Dvorkin & Smith (2008)<br />
10<br />
z i =30; τ=0.12<br />
Mortonson & Hu (2006)<br />
10<br />
multipole l
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