A Semi-Analytical Analysis of Texture Collapse

Details A Semi-Analytical Analysis of Texture Collapse A Semi-Analytical Analysis of Texture Collapse

1993-03-10

arxiv.org/abs/astro-ph/9303005v1

Phys.Rev.D48:3517-3521,1993

Astronomy and Astrophysics

Astrophysics

12 pages, figures available from author, BROWN-HET-895, uses phyzzx

Scientific paper

10.1103/PhysRevD.48.3517

This study presents a simplified approach to studying the dynamics of global texture collapse. We derive equations of motion for a spherically symmetric field configuration using a two parameter ansatz. Then we analyse the effective potential for the resulting theory to understand possible trajectories of the field configuration in the parameter space of the ansatz. Numerical results are given for critical winding and collapse time in spatially flat non-expanding, and flat expanding universes. In addition, the open non-expanding and open-expanding cases are studied.

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