Joint Meeting Heidelberg-Liege-Paris-Wroclaw: Three Days Of Strong Interactions And Astrophysics
6-8 Mar 2008
Université de Liège
[en] axions ; quasars ; polarisation
[en] We present results showing that, thanks to axion-photon mixing in external magnetic fields, it is actually possible to produce an effect similar to the one needed to explain the large-scale coherent orientations of quasar polarisation vectors in visible light that have been observed in some regions of the sky.