CMB anisotropies from primordial inhomogeneous magnetic fields

@inproceedings{Lewis2004CMBAF,
  title={CMB anisotropies from primordial inhomogeneous magnetic fields},
  author={Antony Lewis},
  year={2004}
}
  • Antony Lewis
  • Published 2004
  • Physics
  • Primordial inhomogeneous magnetic fields of the right strength can leave a signature on the CMB temperature anisotropy and polarization. Potentially observable contributions to polarization B-modes are generated by vorticity and gravitational waves sourced by the magnetic anisotropic stress. We compute the corresponding CMB transfer functions in detail including the effect of neutrinos. The shear rapidly causes the neutrino anisotropic stress to cancel the stress from the magnetic field… CONTINUE READING

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