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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/060/05/0997-1000

    • Keywords

       

      Cosmic string; structure formation; quark-hadron transition

    • Abstract

       

      Baryon inhomogeneities generated during the quark-hadron transition may alter the abundances of light elements if they persist up to the time of nucleosynthesis. These inhomogeneities survive up to the nucleosynthesis epoch if they are separated by a distance of at least a few metres. In this work we present a model where large sheets of these inhomogeneities separated by a distance of a few km are formed by cosmic string wakes during the quark-hadron transition. The effect of these sheets on nucleosynthesis will also put constraints on the various cosmic string parameters.

    • Author Affiliations

       

      Biswanath Layek1 Soma Sanyal1 Ajit M Srivastava1

      1. Institute of Physics, Bhubaneswar - 751 005, India
    • Dates

       
  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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