Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2004-06-03
Phys. Rev. D70 (2004), 084003
Physics
High Energy Physics
High Energy Physics - Theory
10 REVTEX pages, 3 eps-figures
Scientific paper
10.1103/PhysRevD.70.084003
We study the Einstein-Yang-Mills equations in a 6-dimensional space-time. We make a self-consistent static, spherically symmetric ansatz for the gauge fields and the metric. The metric of the manifold associated with the two extra dimensions contains off-diagonal terms. The classical equations are solved numerically and several branches of solutions are constructed. We also present an effective 4-dimensional action from which the equations can equally well be derived. This action is a standard Einstein-Yang-Mills-Higgs theory extended by three scalar fields. Two of the scalar fields are interpreted as dilatons, while the one associated with the off-diagonal term of the metric induces very specific interactions.
Brihaye Yves
Clement Fabien
Hartmann Betti
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