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Paper   IPM / Astronomy / 13912
School of Astronomy
  Title:   Generation of CMB B-mode Polarization from Circular Polarization
1.  R. Mohammadi
2.  M. zarei
  Status:   Published
  Journal: arXiv
  Year:  2015
  Supported by:  IPM
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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