A complete 3D numerical study of the effects of pseudoscalar–photon mixing on quasar polarizationsNishant Agarwal, PavanK. Aluri, Pankaj Jain, Udit Khanna and Prabhakar TiwariEur. Phys. J. C, 72 3 (2012) 1928DOI: https://doi.org/10.1140/epjc/s10052-012-1928-y