A critical analysis of some fundamental differences in gauge approaches to gravitation

Benn, Ian and Dereli, Tekin and Tucker, Robin (1982) A critical analysis of some fundamental differences in gauge approaches to gravitation. Journal of Physics A: Mathematical and General, 15 (3). pp. 849-866. ISSN 0305-4470

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Abstract

Static spherically symmetric solutions of a particular model of gravitation, including quadratic curvature and torsion terms, are discussed and compared with those found earlier in a model described by a different action. Considerable emphasis is placed on a Lorentz group covariant formulation of the models and the role of local diffeomorphisms of space-time carefully distinguished from the structure group for gravitation. It is argued that the 'modified Poincare gauge' approach of Hehl (1980) and co-workers mixes these concepts and that their model for gravity is dynamically specified by a locally Lorentz invariant action. The logical distinction between a space-time transformation generated by symmetries of particular solutions to a model and gauge covariant symmetries that apply to all solutions is demonstrated.

Item Type:
Journal Article
Journal or Publication Title:
Journal of Physics A: Mathematical and General
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3109
Subjects:
ID Code:
74911
Deposited By:
Deposited On:
03 Aug 2015 13:32
Refereed?:
Yes
Published?:
Published
Last Modified:
24 Nov 2020 03:27