• The dimensional reduction of eleven dimensional supergravity into a product of Robertson-Walker spacetime and the seven sphere

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      https://www.ias.ac.in/article/fulltext/pram/036/03/0245-0252

    • Keywords

       

      Supergravity; cosmology

    • Abstract

       

      The dimensional reduction of eleven dimensional supergravity is discussed. It is shown that there is no dimensional reduction onto Robertson-Walker space with the asymmetric tensorF giving a realistic fluid. Furthermore it is shown that the ansatz’s for the scale factorR:R=atn, R=a exp (btn), andR=aZn, there is no dimensional reduction except the known example of the Freund-Rubin-Englert solution.

    • Author Affiliations

       

      M D Roberts1

      1. Flat 5, 17 Wetherby Gardens, London - SW5 OJP, England, UK
    • Dates

       
  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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