Weyl scalings and spinor matter interactions in scalar-tensor theories of gravitation

Dereli, Tekin and Tucker, Robin (1982) Weyl scalings and spinor matter interactions in scalar-tensor theories of gravitation. Physics Letters B, 110 (3-4). pp. 206-210. ISSN 0370-2693

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Abstract

An SL(2,C) gauge formulation of a scalar-tensor theory of gravitation is related to the Brans-Dicke theory in the absence of spinorial matter couplings although the natural connection of space-time has a torsion determined by the scalar field. Simplified scaling properties of gravitational variables are elucidated in this geometry. In the presence of matter with intrinsic spin a natural scalar-spinor coupling is exposed. A locally scale invariant limit exists without a Weyl gauge field.

Item Type:
Journal Article
Journal or Publication Title:
Physics Letters B
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3106
Subjects:
ID Code:
74914
Deposited By:
Deposited On:
03 Aug 2015 13:52
Refereed?:
Yes
Published?:
Published
Last Modified:
15 Sep 2020 02:06