Collision, mechanism, and $Z_4$ operation among chiral and nonchiral kinks in coupled double-field ${\varphi }^4$ model

Jin-Hyung Choi, Sang-Hoon Han, Myungjun Kang +1

In this work, we investigate collision processes and their mechanism among chiral and nonchiral kinks in the coupled double-field ${\varphi }^4$ model and show that the kink collisions foll…