Observational Evidence Against Birefringence Over Cosmological Distances
classification
🌌 astro-ph
keywords
radioclaimedcosmologicalbirefringencedatadistanceseffectevidence
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We show that recent radio and optical observations of polarized radiation from well-resolved high redshift quasars and radio galaxies rule out the cosmological rotation of the plane of polarization claimed recently by Nodland and Ralston. A least squares fit to the radio data has a slope only 2% of their claimed effect.
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