Head-on collision between two solitary waves in a one-dimensional bead chain
Wang Fu-Gang1, Yang Yang-Yang1, Han Juan-Fang1, 2, Duan Wen-Shan1, 2, †
       

(color online) Displacement diagram of solitary waves corresponding to Fig. 8. The arrows stand for the propagation directions of waves. The red solid line represents the kink L without collision and the black solid line represents the kink L after collision.