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Computers and software • Effect of polarization in extra-radiation models

Hello,

I'm running a quintessence dark energy model with extra radiation before recombination. I'm compiling such a model with full CMB ( TT+TE+EE+LowE+lensing) in CosmoMC and the value of H0 seems to decrease. In LCDM, I notice that the value of H0 also decreases by adding some extra-radiation in Neff. However, as far as I know, adding extra radiation before the recombination makes H0 larger. Does polarization play an important roll in this case? Or should I modify the polarization part in CAMB/CosmoMC?


I'm looking forward to your kind reply,

Jose Lozano

Statistics: Posted by Jose Lozano — February 06 2024



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