Classification of String-like Solutions in Dilaton Gravity

Details Classification of String-like Solutions in Dilaton Gravity Classification of String-like Solutions in Dilaton Gravity

2001-10-22

arxiv.org/abs/gr-qc/0110090v3

Phys.Rev. D65 (2002) 063503

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

15 pages, 6 figures. To be published in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.65.063503

The static string-like solutions of the Abelian Higgs model coupled to dilaton gravity are analyzed and compared to the non-dilatonic case. Except for a special coupling between the Higgs Lagrangian and the dilaton, the solutions are flux tubes that generate a non-asymptotically flat geometry. Any point in parameter space corresponds to two branches of solutions with two different asymptotic behaviors. Unlike the non-dilatonic case, where one branch is always asymptotically conic, in the present case the asymptotic behavior changes continuously along each branch.

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