Nonlinear Sciences – Exactly Solvable and Integrable Systems
Scientific paper
1995-01-17
J. Phys. Soc. Jpn. 64 (1995) 1519
Nonlinear Sciences
Exactly Solvable and Integrable Systems
7 pages, LaTeX file, no figures
Scientific paper
10.1143/JPSJ.64.1519
A generalized derivative nonlinear Schr\"odinger equation, \ii q_t + q_{xx} + 2\ii \gamma |q|^2 q_x + 2\ii (\gamma-1)q^2 q^*_x + (\gamma-1)(\gamma-2)|q|^4 q = 0 , is studied by means of Hirota's bilinear formalism. Soliton solutions are constructed as quotients of Wronski-type determinants. A relationship between the bilinear structure and gauge transformation is also discussed.
Kakei Saburo
Sasa Narimasa
Satsuma Junkichi
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