Core Structure of Global Vortices in Brane World Models

Details Core Structure of Global Vortices in Brane World Models Core Structure of Global Vortices in Brane World Models

2003-07-21

arxiv.org/abs/hep-ph/0307269v1

Phys.Rev. D68 (2003) 123510

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 two column pages, 3 figures

Scientific paper

10.1103/PhysRevD.68.123510

We study analytically and numerically the core structure of global vortices forming on topologically deformed brane-worlds with a single toroidally compact extra dimension. It is shown that for an extra dimension size larger than the scale of symmetry breaking the magnitude of the complex scalar field at the vortex center can dynamically remain non-zero. Singlevaluedness and regularity are not violated. Instead, the winding escapes to the extra dimension at the vortex center. As the extra dimension size decreases the field magnitude at the core dynamically decreases also and in the limit of zero extra dimension size we reobtain the familiar global vortex solution. Extensions to other types of defects and gauged symmetries are also discussed.

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