“School of Astronomy”
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| Paper IPM / Astronomy / 18401 |
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In the standard cosmological scenario, no circular polarization is predicted for Cosmic Microwave Background (CMB) radiation. However, in the frame of moving particle, Lorentz symmetry violation leads to circular polarization for CMB radiation. We estimate the circular polarization power spectrum CVl>(S) in CMB radiation due to Compton scattering in the presence of the Lorentz symmetry violation. We show that the V-mode power spectrum can be obtained in terms of linear polarization power spectrum at the last scattering surface.
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