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On energy-momentum tensors as sources of spin-2 fields

Lord, Eric A (1975) On energy-momentum tensors as sources of spin-2 fields. In: Pramana, 5 (1). pp. 29-32.

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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.

Item Type: Journal Article
Publication: Pramana
Publisher: Indian Academy of Sciences
Additional Information: Copyright of this article belongs to Indian Academy of Sciences.
Keywords: Energy-momentum tensor;Kibble-Sciama theory;matter fields;spin-2 fields.
Department/Centre: Division of Physical & Mathematical Sciences
Date Deposited: 23 Jan 2010 04:21
Last Modified: 19 Sep 2010 05:48
URI: http://eprints.iisc.ac.in/id/eprint/23999

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