Cosmic Strings in Multi-Step Symmetry Breaking

Akifumi Chitose, Masahiro Ibe, Satoshi Shirai +1

We investigate cosmic strings arising from a hierarchical gauge symmetry breaking sequence, $\mathrm{SU}(2) \times \mathrm{U}(1) \rightarrow \mathrm{U}(1) \times \mathrm{U}(1) \rig…