Bifurcation Analysis, Modulational Instability and Solitons Solutions for a Coupled Nonlinear Schrödinger-Type Equations with Variable Coefficients
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arXiv
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| Format: | Preprint |
| Veröffentlicht: |
2025
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| _version_ | 1866911046833274880 |
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| author | Escorcia, J. M. |
| author_facet | Escorcia, J. M. |
| contents | Understanding, predicting, and controlling physical processes often relies on the analysis of the dynamics of partial differential equations (PDEs). In this context, the present study offers an in-depth investigation into the nonlinear dynamics of a novel coupled nonlinear Schrödinger system with variable coefficients. To begin with, the dynamics of traveling-wave solutions is analyzed through bifurcation theory, which uncovers the presence of Jacobi elliptic functions and solitonic structures. Then, a sensitivity analysis is carried out to confirm the numerical relevance and stability of these solutions. However, when subjected to external perturbations, the system exhibits a tendency toward chaotic behavior. Finally, the results point to the emergence of modulational instability under specific configurations of the dispersion and nonlinearity parameters. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_06431 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Bifurcation Analysis, Modulational Instability and Solitons Solutions for a Coupled Nonlinear Schrödinger-Type Equations with Variable Coefficients Escorcia, J. M. Analysis of PDEs Understanding, predicting, and controlling physical processes often relies on the analysis of the dynamics of partial differential equations (PDEs). In this context, the present study offers an in-depth investigation into the nonlinear dynamics of a novel coupled nonlinear Schrödinger system with variable coefficients. To begin with, the dynamics of traveling-wave solutions is analyzed through bifurcation theory, which uncovers the presence of Jacobi elliptic functions and solitonic structures. Then, a sensitivity analysis is carried out to confirm the numerical relevance and stability of these solutions. However, when subjected to external perturbations, the system exhibits a tendency toward chaotic behavior. Finally, the results point to the emergence of modulational instability under specific configurations of the dispersion and nonlinearity parameters. |
| title | Bifurcation Analysis, Modulational Instability and Solitons Solutions for a Coupled Nonlinear Schrödinger-Type Equations with Variable Coefficients |
| topic | Analysis of PDEs |
| url | https://arxiv.org/abs/2507.06431 |