Warm Topological Langmuir Cyclotron Wave
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866911662896840704 |
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| author | Billings, Virginia Qin, Hong Ren, Chuang Marston, J. B. |
| author_facet | Billings, Virginia Qin, Hong Ren, Chuang Marston, J. B. |
| contents | Finite-temperature effects in magnetized electron plasmas create a new Weyl-point degeneracy between the warm Langmuir and right-circularly polarized waves. The associated topological charge at this warm Weyl point is found to be 1, which, by the index theorem, predicts a gap-traversing topological edge mode. Solving the full warm-fluid eigenmode problem In a 1D inhomogeneous equilibrium, we numerically identify this anticipated mode as the warm topological Langmuir-cyclotron wave, which is absent in the cold limit and occurs in a parameter regime relevant to the LArge Plasma Device (LAPD) at UCLA. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_07845 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Warm Topological Langmuir Cyclotron Wave Billings, Virginia Qin, Hong Ren, Chuang Marston, J. B. Plasma Physics Finite-temperature effects in magnetized electron plasmas create a new Weyl-point degeneracy between the warm Langmuir and right-circularly polarized waves. The associated topological charge at this warm Weyl point is found to be 1, which, by the index theorem, predicts a gap-traversing topological edge mode. Solving the full warm-fluid eigenmode problem In a 1D inhomogeneous equilibrium, we numerically identify this anticipated mode as the warm topological Langmuir-cyclotron wave, which is absent in the cold limit and occurs in a parameter regime relevant to the LArge Plasma Device (LAPD) at UCLA. |
| title | Warm Topological Langmuir Cyclotron Wave |
| topic | Plasma Physics |
| url | https://arxiv.org/abs/2605.07845 |