• Symmetry breaking, phase transition and gravity

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      https://www.ias.ac.in/article/fulltext/pram/025/04/0343-0347

    • Keywords

       

      Symmetry-breaking; phase transition; gravity

    • Abstract

       

      We discuss some recent work in which the non-minimal coupling of gravity with a self-interacting scalar field in the presence of matter can lead to a phase transition when the sign of gravitational interaction changes. It is found that gravity becomes repulsive above a critical temperature which may lie in the range 1024 to 1032K which obtains in the very early universe (10−35 to 10−43 sec) of the standard model. The results are intimately connected with big bang and possible removal of singularity.

    • Author Affiliations

       

      K P Sinha1

      1. Indian Institute of Science, Bangalore - 560 012, India
    • Dates

       
  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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