Jens Chluba (CITA)

title: "Signals from the cosmological recombination era and spectral distortions of the CMB"

It was realized that small changes in the cosmological ionization history caused by previously neglected physical processes affect the CMB power spectra at a level that will be noticeable in the analysis of data from the Planck satellite.
In my talk I will review recent calculations of the cosmological recombination problem trying to convince everyone that at this point all important processes have been identified and are under control. I will also demonstrate that photons emitted during the recombination epochs lead to interesting deviations of the CMB energy spectrum from a blackbody, which in the future might open another way to learn about the infant Universe. Especially if something non-standard occurred at early times, the CMB energy spectrum may be the only ways to learn about this.

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Last-modified: 2013-11-20 (水) 11:11:56 (2710d)