Screwed superconducting cosmic strings

TL;DR

This paper presents a consistent model of superconducting cosmic strings with torsion, analyzing their gravitational effects and potential astrophysical phenomena such as orbital dynamics and matter accretion.

Contribution

It introduces the first full solution for a superconducting cosmic string with torsion, including internal and external matching and gravitational effects.

Findings

Derived the deficit angle and geodesics around the torsioned SCS.

Analyzed the gravitational force exerted by the SCS on test particles.

Highlighted potential observable astrophysical phenomena like orbital dynamics and matter accretion.

Abstract

We show that it is possible to build up a consistent model describing a superconducting cosmic string (SCS) endowed with torsion. A full string solution is obtained by matching the internal and the external solutions. We derive the deficit angle, the geodesics of and the gravitational force on a test-particle moving under the action of this screwed SCS. A couple of potentially observable astrophysical phenomena are highlighted: the dynamics of compact objects orbiting torsioned SCS and the accretion of matter onto it.