Existence of global solutions to the massive Thirring model in the non-laboratory coordinates
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| Format: | Preprint |
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2025
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| _version_ | 1866909511942406144 |
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| author | Niu, Sucai Zhu, Junyi Wang, Xueru |
| author_facet | Niu, Sucai Zhu, Junyi Wang, Xueru |
| contents | The massive Thirring model in the non-laboratory coordinates is considered by the Riemann-Hilbert approach. Existence of global solutions is shown for the cases of the associated Riemann-Hilbert problem without eigenvalues or resonances. The Lipschitz continuity of the map from the potential $v_0(x)\in H^2(\mathbb{R})\cap H^{1,1}(\mathbb{R})$ to the scattering data is given in the direct scattering transform. Two transform matrices are introduced to curb the convergence of the Volterra integral equations and the relevant estimates of the modified Jost functions. For small potential, the solvability of the Riemann-Hilbert problems without eigenvalues or resonances is discussed. The Lipschitz continuity of the map from the scattering data to the potential $v(x)$ is shown. The reconstructions for potential $u(x,t)$ and $v(x,t)$ are finished by considering the time dependence of the scattering data and by constructing the conservation laws obtain via the dressing method. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2502_18930 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Existence of global solutions to the massive Thirring model in the non-laboratory coordinates Niu, Sucai Zhu, Junyi Wang, Xueru Mathematical Physics 35P25, 35Q15, 35Q51 The massive Thirring model in the non-laboratory coordinates is considered by the Riemann-Hilbert approach. Existence of global solutions is shown for the cases of the associated Riemann-Hilbert problem without eigenvalues or resonances. The Lipschitz continuity of the map from the potential $v_0(x)\in H^2(\mathbb{R})\cap H^{1,1}(\mathbb{R})$ to the scattering data is given in the direct scattering transform. Two transform matrices are introduced to curb the convergence of the Volterra integral equations and the relevant estimates of the modified Jost functions. For small potential, the solvability of the Riemann-Hilbert problems without eigenvalues or resonances is discussed. The Lipschitz continuity of the map from the scattering data to the potential $v(x)$ is shown. The reconstructions for potential $u(x,t)$ and $v(x,t)$ are finished by considering the time dependence of the scattering data and by constructing the conservation laws obtain via the dressing method. |
| title | Existence of global solutions to the massive Thirring model in the non-laboratory coordinates |
| topic | Mathematical Physics 35P25, 35Q15, 35Q51 |
| url | https://arxiv.org/abs/2502.18930 |