Emission of Nambu-Goldstone bosons from the semilocal string network

Yukihiro Kanda, Naoya Kitajima

Semilocal cosmic string is a line-like non-topological soliton associated with the breakdown of the $SU(2{)}_{\mathrm{global}}\times U(1{)}_{\mathrm{gauge}}$ symmetry to the $U(1{)}_{\mathrm{global}}$…