Numerical Simulation of Cosmic String Motion in Peres Background

TL;DR

This paper investigates the complex dynamics of closed cosmic strings in Peres background through numerical simulations, revealing intricate oscillations, loop formations, and cusp developments.

Contribution

It introduces a finite-difference numerical method to simulate cosmic string motion in Peres background, highlighting complex behaviors not previously detailed.

Findings

Strings exhibit complex oscillations and deformations.

Formation of loops and cusps during evolution.

Motion is highly intricate and non-linear.

Abstract

The dynamics of closed cosmic strings in Peres background, using finite-difference method, has been considered. It is shown that motion of the strings is very complicated and its perform complex oscillations and deformed to form loops and cusps.