Cosmic String Wakes in Scalar-Tensor Gravities

Details Cosmic String Wakes in Scalar-Tensor Gravities Cosmic String Wakes in Scalar-Tensor Gravities

2000-03-09

arxiv.org/abs/gr-qc/0003041v2

Class.Quant.Grav. 17 (2000) 3055

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Replaced version to be published in the Classical and Quantum Gravity

Scientific paper

10.1088/0264-9381/17/15/313

The formation and evolution of cosmic string wakes in the framework of a scalar-tensor gravity are investigated in this work. We consider a simple model in which cold dark matter flows past an ordinary string and we treat this motion in the Zel'dovich approximation. We make a comaprison between our results and previous results obtained in the context of General Relativity. We propose a mechanism in which the contribution of the scalar field to the evolution of the wakes may lead to a cosmological observation.

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