Geometric gravitational force on particles moving in a line

In two-dimensional space-time, point particles can experience a geometric, dimension-specific gravity force, which modifies the usual geodesic equation of motion and provides a link between the cosmological constant and the vacuum θ-angle. The description of such a force fits naturally into a gauge...

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Bibliographic Details
Published inPhysics letters. B Vol. 299; no. 1; pp. 24 - 29
Main Authors Cangemi, D., Jackiw, R.
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 21.01.1993
Elsevier Science
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Summary:In two-dimensional space-time, point particles can experience a geometric, dimension-specific gravity force, which modifies the usual geodesic equation of motion and provides a link between the cosmological constant and the vacuum θ-angle. The description of such a force fits naturally into a gauge theory of gravity based on the extended Poincaré group, i.e. “string-inspired” dilaton gravity.
ISSN:0370-2693
1873-2445
DOI:10.1016/0370-2693(93)90878-L