Cosmic Texture from a Broken Global SU(3) Symmetry

Details Cosmic Texture from a Broken Global SU(3) Symmetry Cosmic Texture from a Broken Global SU(3) Symmetry

1997-02-20

arxiv.org/abs/hep-ph/9702377v1

Phys.Rev. D56 (1997) 1989-2001

Physics

High Energy Physics

High Energy Physics - Phenomenology

28 pages, latex, 11 figures, submitted to Phys. Rev. D

Scientific paper

10.1103/PhysRevD.56.1989

We investigate the observable consequences of creating cosmic texture by breaking a global SU(3) symmetry, rather than the SU(2) case which is generally studied. To this end, we study the nonlinear sigma model for a totally broken SU(3) symmetry, and develop a technique for numerically solving the classical field equations. This technique is applied in a cosmological context: the energy of the collapsing SU(3) texture field is used as a gravitational source for the production of perturbations in the primordial fluids of the early universe. From these calculations, we make predictions about the appearance of the anisotropies in the cosmic microwave background radiation (CMBR) which would be present if the large scale structure of the universe was gravitationally seeded by the collapse of SU(3) textures.

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