Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2005-03-14
Phys.Rev. D71 (2005) 124013
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
11pages, no figure
Scientific paper
10.1103/PhysRevD.71.124013
The brane world scenario is a new approach to resolve the problem on how to compactify the higher dimensional spacetime to our 4-dimensional world. One of the remarkable features of this scenario is the higher dimensional effects in classical gravitational interactions at short distances. Due to this feature, there are black string solutions in our 4-dimensional world. In this paper, assuming the simplest model of complex minimally coupled scalar field with the local U(1) symmetry, we show a possibility of black-string formation by merging processes of type I long cosmic strings in our 4-dimensional world. No fine tuning for the parameters in the model might be necessary.
Nakano Hiroyuki
nakao Ken-ichi
Yamaguchi Masahide
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