Are the quasar polarization angles randomly distributed?

Details Are the quasar polarization angles randomly distributed? Are the quasar polarization angles randomly distributed?

Apr 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..905...36s&link_type=abstract

FRONTIERS OF FUNDAMENTAL PHYSICS: Eighth International Symposium FFP8. AIP Conference Proceedings, Volume 905, pp. 36-39 (2007)

Physics

Quasars, Mathematical And Relativistic Aspects Of Cosmology, Distances, Redshifts, Radial Velocities, Spatial Distribution Of Galaxies

Scientific paper

Observations of the polarization angles of some quasar samples strongly suggest that these angles are not randomly distributed on Gpc scales. Large scale vector perturbations (vortical velocity fields) of the concordance cosmological universe produce rotations of the QSOs polarization directions; here, the amplitude and properties of these rotations are analyzed in the case of an unique vector mode. The resulting rotations depend on both the quasar redshifts and the line of sight and, consequently, they can alter a random initial distribution of QSO polarization angles, The question is: could this alteration explain correlations on Gpc scales? More work is necessary to answer this question starting from the conclusions of this preliminary paper.

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