In an inhomogeneous multicomponent optical fiber: Lax pair, generalized Darboux transformation and vector breathers for a three-coupled variable-coefficient nonlinear Schrödinger system
Eur. Phys. J. Plus, 136 10 (2021) 1002
DOI: https://doi.org/10.1140/epjp/s13360-021-01918-7