Title

Soliton collision in cosmologies with matter

Document Type

Article

Publication Date

12-1-1988

Abstract

The authors present a family of exact solutions of the four-dimensional Einstein field equations obtained by means of the application of the inverse scattering technique followed by a Kaluza-Klein dimensional reduction. They describe the collision of gravitational solitons on four-dimensional Friedmann-Robertson-Walker backgrounds with a material content consisting of a perfect fluid with a barotropic equation of state. They investigate the behaviour of the stress-energy tensor and show that the collision can form voids and halos. Applications to the Brans-Dicke theory and the problem of geodesic focusing are also considered.

Publication Source (Journal or Book title)

Classical and Quantum Gravity

First Page

883

Last Page

889

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