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    • On energy-momentum tensors as sourcesof spin-2 fields

      Eric A Lord

      General Relativity Volume 5 Issue 1 July 1975 pp 29-32

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/005/01/0029-0032

    • Keywords

       

      Energy-momentum tensor; Kibble-Sciama theory; matter fields; spin-2 fields

    • Abstract

       

      The improvement terms in the generalised energy-momentum tensor of Callan, Coleman and Jackiw can be derived from a variational principle if the Lagrangian is generalised to describe coupling between ‘matter’ fields and a spin-2 boson field. The required Lorentz-invariant theory is a linearised version of Kibble-Sciama theory with an additional (generally-covariant) coupling term in the Lagrangian. The improved energy-momentum tensor appears as the source of the spin-2 field, if terms of second order in the coupling constant are neglected.

    • Author Affiliations

       

      Eric A Lord1

      1. Division of Physics and Mathematical Sciences, Indian Institute of Science, Bangalore - 560012

    • Dates

       
      Published
      July 1975
      Manuscript received
      25 February 1974

  • Pramana – Journal of Physics | News

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