Scalar-induced gravitational wave from domain wall perturbation
General Relativity and Quantum Cosmology
2025-05-16 v3 Cosmology and Nongalactic Astrophysics
High Energy Physics - Phenomenology
High Energy Physics - Theory
Abstract
Domain walls represent two-dimensional topological defects that emerge from the spontaneous breaking of discrete symmetries in various new physics models. In this study, we undertake the first calculation of gravitational waves produced by scalar perturbations generated from the gravitational wave network. Our findings indicate that the gravitational wave spectrum is notably distinct from that of other sources. This opens up a promising avenue for future gravitational wave experiments aimed at exploring the role of domain walls in the early universe.
Keywords
Cite
@article{arxiv.2412.07677,
title = {Scalar-induced gravitational wave from domain wall perturbation},
author = {Bo-Qiang Lu},
journal= {arXiv preprint arXiv:2412.07677},
year = {2025}
}
Comments
29 pages, 5 figures, published in JHEP