Non-Riemannian Cosmic Walls as Boundaries of Spinning Matter

Details Non-Riemannian Cosmic Walls as Boundaries of Spinning Matter Non-Riemannian Cosmic Walls as Boundaries of Spinning Matter

1998-11-07

arxiv.org/abs/hep-th/9811065v1

Mod.Phys.Lett. A13 (1998) 1179-1184

Physics

High Energy Physics

High Energy Physics - Theory

Mod.Phys.Lett.A,13,No.15(1998)1179-1184

Scientific paper

10.1142/S021773239800125X

An example is given of a plane topological defect solution of linearized Einstein-Cartan (EC) field equation representing a cosmic wall boundary of spinning matter. The source of Cartan torsion is composed of two orthogonal lines of static polarized spins bounded by the cosmic plane wall. The Kopczy\'{n}ski- Obukhov - Tresguerres (KOT) spin fluid stress-energy current coincides with thin planar matter current in the static case. Our solution is similar to Letelier solution of Einstein equation for multiple cosmic strings. Due to this fact we suggest that the lines of spinning matter could be analogous to multiple cosmic spinning string solution in EC theory of gravity. When torsion is turned off a pure Riemannian cosmic wall is obtained.

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