Secondary CMB Anisotropy I: Reionization - Wayne Hu's Tutorials
Secondary CMB Anisotropy I: Reionization - Wayne Hu's Tutorials
Secondary CMB Anisotropy I: Reionization - Wayne Hu's Tutorials
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Representation in Modes<br />
• Truncation at 5 modes leaves a low pass filtered of ionization<br />
history<br />
• Ionization fraction allowed to go negative (Boltzmann code<br />
has negative sources)<br />
x<br />
Hu & Holder (2003)<br />
0.8<br />
0.6<br />
0.4<br />
0.2<br />
0<br />
10 15 20 25<br />
z
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