Dark solitons and Bäcklund transformation for the (2+1)-dimensional coupled nonlinear Schrödinger equation with the variable coefficients in a graded-index waveguide

2017 ◽  
Vol 101 ◽  
pp. 117-126 ◽  
Author(s):  
Xiao-Yu Wu ◽  
Bo Tian ◽  
Xi-Yang Xie ◽  
Jun Chai
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