Sasa-Satsuma higher-order nonlinear Schrödinger equation and its bilinearization and multisoliton solutions
Sasa-Satsuma higher-order nonlinear Schrödinger equation and its bilinearization and multisoliton solutions
Higher-order and multicomponent generalizations of the nonlinear Schrödinger equation are important in various applications, e.g., in optics. One of these equations, the integrable Sasa-Satsuma equation, has particularly interesting soliton solutions. Unfortunately, the construction of multisoliton solutions to this equation presents difficulties due to its complicated bilinearization. We discuss briefly some …