Superconducting cosmic string in Brans-Dicke theory
A.A.Sen
TL;DR
This paper explores the gravitational effects of superconducting cosmic strings within Brans-Dicke theory, providing new solutions that generalize previous results in General Relativity, and analyzing their properties.
Contribution
It introduces two new solutions for the spacetime around superconducting cosmic strings in Brans-Dicke theory, extending prior work in General Relativity.
Findings
Derived two solutions for the spacetime of superconducting cosmic strings in Brans-Dicke theory.
One solution reduces to known General Relativity results when the scalar field is inactive.
Provides insights into the influence of scalar fields on cosmic string spacetimes.
Abstract
In the present work, the gravitational field of superconducting cosmic string has been investigated in the context of Brans-Dicke theory of gravity. We have presented two kind of solutions for the spacetime in the far field zone of the string. When the B-D scalar field is switched off, one of the solutions reduces to the solution earlier obtained by Moss and Poletti in General Relativity.
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