• Polarization of the cosmic microwave background radiation

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/053/06/0963-0969

    • Keywords

       

      Cosmology; large scale structure; CMBR

    • Abstract

       

      In re-ionized models, the measurement of polarization of CMBR can be a good criterion to narrow down the parameter space for cosmological models. A Vishniac-type effect in second order polarization over arc minute scales has been calculated. It has been shown that while the effect is very small (∼10−2µK) for CDM models, it can be significant (∼0.3µK) for some isocurvature models.

    • Author Affiliations

       

      T R Seshadri1

      1. Mehta Research Institute, Chhatnag Road, Jhusi, Allahabad - 211 019, India
    • Dates

       
  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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