Possible nonequilibrium imprint in the cosmic background at low frequencies
2020
There are interesting indications that the cosmic background radiation deviates from the Planck radiation law expected from a black-body at frequencies below 3 GHz. This paper provides an argument to explain this discrepancy based on a nonequilibrium echo of the early universe condition. The argument combines localization with stochastic acceleration in frequency space and reproduces the trend of experimental observations.
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