X. T. Tran, N. X. Nguyen, T. Q. Nguyen, V. T. Nguyen and T. L. Nguyen, Interaction Between Two Jackiw-Rebbi States in Interfaced Binary Waveguide Arrays with Cubic-quintic Nonlinearity, Comm. Phys. 31 (2021) 23. DOI: https://doi.org/10.15625/0868-3166/15178.