Universal gravitational waves from interacting and clustered solitons
Causal soliton formation (e.g. oscillons, Q-balls) in the primordial Universe is expected to give rise to a universal gravitational wave (GW) background, at frequencies smaller than scales of nonlinearity. We show that modifications of the soliton density field, driven by soliton interactions or ini...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2024-01-01
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Series: | Physics Letters B |
Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269323007256 |