Cosmic String Spacetime in Dilaton Gravity and Flat Rotation Curves

Details Cosmic String Spacetime in Dilaton Gravity and Flat Rotation Curves Cosmic String Spacetime in Dilaton Gravity and Flat Rotation Curves

2004-12-29

arxiv.org/abs/gr-qc/0412125v1

Mod.Phys.Lett. A19 (2004) 2929-2940

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9 pages, RevTeX4 file

Scientific paper

10.1142/S0217732304016251

In dilaton gravity theories, we consider a string-like topological defect
formed during U(1) gauge symmetry-breaking phase transition in the early
Universe, and far from the cosmic string we have vacuum solutions of the
generalized Einstein equation. We discuss how they can be related to the
flatness of galactic rotation curves.

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