期刊
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
卷 81, 期 9, 页码 -出版社
PHYSICAL SOC JAPAN
DOI: 10.1143/JPSJ.81.094005
关键词
derivative nonlinear Schrodinger equation; quintic nonlinearity
资金
- Research Grants Council of Hong Kong
Exact expressions are obtained for a diversity of propagating patterns for a derivative nonlinear Schrodinger equation with the quintic nonlinearity. These patterns include bright pulses, fronts and dark solitons. The evolution of the wave envelope is determined via a pair of integrals of motion, and reduction is achieved to Jacobi elliptic cn and dn function representations. Numerical simulations are performed to establish the existence of parameter ranges for stability. The derivative quintic nonlinear Schrodinger model equations investigated here are relevant in the analysis of strong optical signals propagating in spatial or temporal waveguides.
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