Quasiclassical quantization of the Boussinesq breather emerging from the kink localized mode
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arXiv
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| Hauptverfasser: | , |
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| Format: | Preprint |
| Veröffentlicht: |
2025
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| _version_ | 1866916632681512960 |
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| author | Bogdan, M. M. Charkina, O. V. |
| author_facet | Bogdan, M. M. Charkina, O. V. |
| contents | The breather solution found by M. Tajiri and Y. Murakami for the Boussinesq equation is studied analytically. The new parameterization of the solution is proposed, allowing us to find exactly the existence boundary of the Boussinesq breather and to show that such a nonlinear excitation emerges from the linear localized mode of the kink solution corresponding to a shock wave analog in a crystal. We explicitly find the first integrals, namely the energy and the field momentum, and faithfully construct the adiabatic invariant for the Boussinesq breather. As a result, we carry out the quasiclassical quantization of the nonlinear oscillating solution, obtaining its energy spectrum, i.e., the energy dependence on the momentum and the number of states, and reveal the Hamiltonian equations for this particle-like excitation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_14695 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Quasiclassical quantization of the Boussinesq breather emerging from the kink localized mode Bogdan, M. M. Charkina, O. V. Pattern Formation and Solitons The breather solution found by M. Tajiri and Y. Murakami for the Boussinesq equation is studied analytically. The new parameterization of the solution is proposed, allowing us to find exactly the existence boundary of the Boussinesq breather and to show that such a nonlinear excitation emerges from the linear localized mode of the kink solution corresponding to a shock wave analog in a crystal. We explicitly find the first integrals, namely the energy and the field momentum, and faithfully construct the adiabatic invariant for the Boussinesq breather. As a result, we carry out the quasiclassical quantization of the nonlinear oscillating solution, obtaining its energy spectrum, i.e., the energy dependence on the momentum and the number of states, and reveal the Hamiltonian equations for this particle-like excitation. |
| title | Quasiclassical quantization of the Boussinesq breather emerging from the kink localized mode |
| topic | Pattern Formation and Solitons |
| url | https://arxiv.org/abs/2502.14695 |