Backreaction on an infinite helical cosmic string
arXiv:1908.09702 · doi:10.1103/PhysRevD.100.103512
Abstract
To understand the properties of a possible cosmic string network requires knowledge of the structures on long strings, which control the breaking off of smaller loops. These structures are influenced by backreaction due to gravitational wave emission. To gain an understanding of this process, we calculate the effect of gravitational backreaction on the "helical breather": an infinite cosmic string with a helical standing wave. We do the calculation analytically to first order in the amplitude of the oscillation. Our results for the rate of loss of length agree with the total power emitted from this system as calculated by Sakellariadou. We also find a rotation of the generators of the string that leads to an advancement of the phase of the oscillation in addition to that produced by the loss of length.
arXiv comment11 pages, 1 figure, edited for comma, edited introduction
References in corpus (13)
- Stochastic gravitational wave background from smoothed cosmic string loops
- New limits on cosmic strings from gravitational wave observation
- Constraints on cosmic strings using data from the first Advanced LIGO observing run
- Evolution of cosmic string configurations
- Cosmic String Structure at the Gravitational Radiation Scale
- Probing Cosmic Superstrings with Gravitational Waves
- Projected constraints on the cosmic (super)string tension with future gravitational wave detection experiments
- Gravitational backreaction simulations of simple cosmic string loops
- Inflation, String Theory and Cosmology
- Gravitational back reaction on piecewise linear cosmic string loops
- Gravitational smoothing of kinks on cosmic string loops
- Gravitational back-reaction near cosmic string kinks and cusps
- Gravitational backreaction on a cosmic string: Formalism