Riemann-Hilbert approach and $N$-soliton solutions for a new four-component nonlinear Schrödinger equation

Xin-Mei Zhou, Shou-Fu Tian, Jin-Jie Yang +1

A new four-component nonlinear Schrödinger equation is first proposed in this work and studied by Riemann-Hilbert approach. Firstly, we derive a Lax pair associated with a $5\times…