“School of Astronomy”
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| Paper IPM / Astronomy / 13912 | ||||||||||||||||||
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In this work we consider non-zero circular polarization for the CMB radiation as a result of new interactions. We then rewrite the Boltzmann equations for the Stokes parameters Q, U and V and show that the circular polarization can generate the B-mode polarization even if no tensor perturbations are present.
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