The binding of cosmological structures by massless topological defects(academic.oup.com)
academic.oup.com
The binding of cosmological structures by massless topological defects
https://academic.oup.com/mnras/article/531/1/1630/7673084
https://academic.oup.com/mnras/article/531/1/1630/7673084
https://en.wikipedia.org/wiki/Vortex