• Gravitational field of a tachyon in a de Sitter universe

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      https://www.ias.ac.in/article/fulltext/pram/040/04/0273-0275

    • Keywords

       

      Einstein’s equations; Tachyon; de Sitter universe

    • Abstract

       

      An exact solution of Einstein’s equations is interpreted as describing the gravitational field of a tachyon in a de Sitter universe. Switching off the cosmological constant yields the gravitational field of a tachyon in flat spacetime background.

    • Author Affiliations

       

      K S Virbhadra1

      1. Physical Research Laboratory, Navrangpura, Ahmedabad - 380 009, India
    • Dates

       
  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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