Soliton in an extended nonlinear Schrödinger equation with stimulated scattering on damping low-frequency waves and nonlinear dispersion
Dynamics of solitons is considered in an extended nonlinear Schrodinger equation, including a pseudo-stimulated-Raman-scattering (pseudo-SRS) term (scattering on damping low-frequency waves, nonlinear dispersion and inhomogeneity of the spatial second-order dispersion (SOD). It is shown that wave-nu...
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| Veröffentlicht in: | Journal of physics. Conference series 2015-01, Vol.574 (1), p.12032-5 |
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| creator | Gromov, E M |
| description | Dynamics of solitons is considered in an extended nonlinear Schrodinger equation, including a pseudo-stimulated-Raman-scattering (pseudo-SRS) term (scattering on damping low-frequency waves, nonlinear dispersion and inhomogeneity of the spatial second-order dispersion (SOD). It is shown that wave-number downshift by the pseudo-SRS may be compensated by upshift provided by spatially increasing SOD with taking into account nonlinear dispersion. The equilibrium state is stable for negative parameter of nonlinear dispersion and unstable for positive one. The analytical solutions are verified by comparison with numerical results |
| doi_str_mv | 10.1088/1742-6596/574/1/012032 |
| format | Article |
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It is shown that wave-number downshift by the pseudo-SRS may be compensated by upshift provided by spatially increasing SOD with taking into account nonlinear dispersion. The equilibrium state is stable for negative parameter of nonlinear dispersion and unstable for positive one. The analytical solutions are verified by comparison with numerical results</description><identifier>ISSN: 1742-6588</identifier><identifier>EISSN: 1742-6596</identifier><identifier>DOI: 10.1088/1742-6596/574/1/012032</identifier><language>eng</language><publisher>Bristol: IOP Publishing</publisher><subject>Damping ; Dispersions ; Exact solutions ; Inhomogeneity ; Mathematical analysis ; Mathematical models ; Nonlinear dynamics ; Nonlinear equations ; Nonlinearity ; Physics ; Scattering ; Schrodinger equation ; Schroedinger equation ; Sod ; Solitary waves ; Solitons</subject><ispartof>Journal of physics. Conference series, 2015-01, Vol.574 (1), p.12032-5</ispartof><rights>2015. 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| source | Institute of Physics Open Access Journal Titles; EZB-FREE-00999 freely available EZB journals; IOPscience extra; Alma/SFX Local Collection; Free Full-Text Journals in Chemistry |
| subjects | Damping Dispersions Exact solutions Inhomogeneity Mathematical analysis Mathematical models Nonlinear dynamics Nonlinear equations Nonlinearity Physics Scattering Schrodinger equation Schroedinger equation Sod Solitary waves Solitons |
| title | Soliton in an extended nonlinear Schrödinger equation with stimulated scattering on damping low-frequency waves and nonlinear dispersion |
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