Torsion without torsion

Modifying the Yang-Mills field strength and using a recently proposed generalisation of the usual minimal coupling procedure allows a simple but non-trivial type of dynamic torsion to couple to all gauge fields in a consistent manner. This allows, for the first time, a framework in which no spinning...

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Bibliographic Details
Published in:Physics letters. B 1979-01, Vol.82 (3), p.382-386
Main Authors: Mukku, C., Sayed, W.A.
Format: Article
Language:English
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Summary:Modifying the Yang-Mills field strength and using a recently proposed generalisation of the usual minimal coupling procedure allows a simple but non-trivial type of dynamic torsion to couple to all gauge fields in a consistent manner. This allows, for the first time, a framework in which no spinning particle is required to be exempted from feeling torsion. Apart from the introduction of a new scalar field, one may view the two modifications as being the replacement of the gauge coupling everywhere by a space-time-dependent coupling. In this sense we may say that we have torsion without torsion.
ISSN:0370-2693
1873-2445
DOI:10.1016/0370-2693(79)90247-8