Wakes in Dilatonic Current-Carrying Cosmic Strings
A. L. N. Oliveira (IF/Unb), M. E. X. Guimaraes (IFT/Unesp)
TL;DR
This paper investigates the gravitational effects and wake formation caused by a current-carrying cosmic string within scalar-tensor gravity theories, highlighting electromagnetic influences and divergence issues.
Contribution
It introduces a detailed analysis of wakes in dilatonic current-carrying cosmic strings, emphasizing electromagnetic effects and divergence problems in scalar-tensor frameworks.
Findings
Electromagnetic properties induce logarithmic divergences in accretion.
The formation and evolution of wakes are significantly affected by the string's currents.
Scalar-tensor gravity modifies the gravitational field around cosmic strings.
Abstract
In this work, we present the gravitational field generated by a cosmic string carrying a timelike current in the scalar-tensor gravities. The mechanism of formation and evolution of wakes is fully investigated in this framework. We show explicitly that the inclusion of electromagnetic properties for the string induces logarithmic divergences in the accretion problem.
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