• Isothermal fluid sphere: Uniqueness and conformal mapping

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    • Keywords


      Fluid spheres; isothermal fluid; conformal mapping

    • Abstract


      We prove the theorem: A necessary and sufficient condition for a spacetime to represent an isothermal fluid sphere (linear equation of state with density falling off as inverse square of the curvature radius) without boundary is that it is conformal to a spacetime of zero gravitational mass (‘minimally’ curved).

    • Author Affiliations


      Naresh Dadhich1

      1. Inter-University Centre for Astronomy and Astrophysics, P.O. Box 4, Pune - 411 007, India
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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