Nonrelativistic limit of normalized solutions of nonlinear Dirac equations on noncompact metric graphs with localized nonlinearities
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arXiv
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| Hauptverfasser: | , |
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| Format: | Preprint |
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2025
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| _version_ | 1866911216459317248 |
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| author | He, Zhentao Ji, Chao |
| author_facet | He, Zhentao Ji, Chao |
| contents | In this paper, we study the nonrelativistic limit of normalized solutions for the following nonlinear Dirac equation (NLDE) on noncompact metric graph $\G$ with finitely many edges and a non-empty compact core $\K$ \begin{equation*}
\D u - ωu= χ_\K\abs{u}^{p-2}u, \end{equation*} under the constraint $\int_\G\abs{u}^2\,dx = 1$, where $\D$ is the Dirac operator on $\G$, $u: \G \to \mathbb{C}^2$, the frequency $ω\in \mathbb{R}$ is part of the unknowns which arises as a Lagrange multiplier, $χ_\K$ is the characteristic function of the compact core $\K$, and $2<p<6$. To the best of our knowledge, this is the first study to investigate the nonrelativistic limit of normalized solutions to (NLDE) on metric graphs. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_15378 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Nonrelativistic limit of normalized solutions of nonlinear Dirac equations on noncompact metric graphs with localized nonlinearities He, Zhentao Ji, Chao Analysis of PDEs 35R02, 81Q35, 58E05, 35Q40 In this paper, we study the nonrelativistic limit of normalized solutions for the following nonlinear Dirac equation (NLDE) on noncompact metric graph $\G$ with finitely many edges and a non-empty compact core $\K$ \begin{equation*} \D u - ωu= χ_\K\abs{u}^{p-2}u, \end{equation*} under the constraint $\int_\G\abs{u}^2\,dx = 1$, where $\D$ is the Dirac operator on $\G$, $u: \G \to \mathbb{C}^2$, the frequency $ω\in \mathbb{R}$ is part of the unknowns which arises as a Lagrange multiplier, $χ_\K$ is the characteristic function of the compact core $\K$, and $2<p<6$. To the best of our knowledge, this is the first study to investigate the nonrelativistic limit of normalized solutions to (NLDE) on metric graphs. |
| title | Nonrelativistic limit of normalized solutions of nonlinear Dirac equations on noncompact metric graphs with localized nonlinearities |
| topic | Analysis of PDEs 35R02, 81Q35, 58E05, 35Q40 |
| url | https://arxiv.org/abs/2510.15378 |