• Pseudoscalar-photon mixing and the large scale alignment of QSO optical polarizations

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      https://www.ias.ac.in/article/fulltext/pram/062/03/0679-0682

    • Abstract

       

      We review the observation of large scale alignment of QSO optical polarizations. Alignment is seen in patches of distance scale of order 1 Gpc. We argue that the existence of a hypothetical light pseudoscalar can explain these observations.

    • Author Affiliations

       

      Pankaj Jain1 Sukanta Panda1 S Sarala1

      1. Physics Department, Indian Institute of Technology, Kanpur - 208 016, India
    • Dates

       
  • Pramana – Journal of Physics | News

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