Particle-like solutions to higher order curvature Einstein--Yang-Mills systems in d dimensions

Details Particle-like solutions to higher order curvature Einstein--Yang-Mills systems in d dimensions Particle-like solutions to higher order curvature Einstein--Yang-Mills systems in d dimensions

2002-02-21

arxiv.org/abs/hep-th/0202141v1

Class.Quant.Grav.20:2765-2784,2003

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, 11 figures

Scientific paper

10.1088/0264-9381/20/13/323

We consider the superposition of the first two members of the gravitational hierarchy (Einstein plus first Gauss-Bonnet(GB)) interacting with the superposition of the first two members of the $SO_{(\pm)}(d)$ Yang--Mills hierarchy, in $d$ dimensions. Such systems can occur in the low energy effective action of string theory. Particle-like solutions %for the systems with only an Einstein term, and with only a GB term, in dimensions $d=6,8$ are constructed respectively. Our results reveal qualitatively new properties featuring double-valued solutions with critical behaviour. In this preliminary study, we have restricted ourselves to one-node solutions.

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