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| Autor principal: | |
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| Formato: | Preprint |
| Publicado: |
2025
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| Materias: | |
| Acceso en línea: | https://arxiv.org/abs/2504.06061 |
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| _version_ | 1866916679152304128 |
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| author | Petrov, Aleksandr S. |
| author_facet | Petrov, Aleksandr S. |
| contents | We demonstrate that the interaction of dc temperature gradient with ac magnetic field in temperature-biased two-dimensional electron systems leads to formation of a new electromagnetic mode, a two-dimensional thermomagnetic wave (2d TMW). This wave is transverse electric and non-reciprocal, and its damping rate can be lower than that of conventional 2d plasma waves. The Q-factor of 2d TMW is independent of the wave vector. Numerical estimates show that in state-of-the-art two-dimensional electrons systems the 2d TMW Q-factor is the order of $10^{-3}$. We discuss possible ways to overcome this issue. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2504_06061 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Non-reciprocal waves in two-dimensional electron systems with temperature gradient Petrov, Aleksandr S. Mesoscale and Nanoscale Physics We demonstrate that the interaction of dc temperature gradient with ac magnetic field in temperature-biased two-dimensional electron systems leads to formation of a new electromagnetic mode, a two-dimensional thermomagnetic wave (2d TMW). This wave is transverse electric and non-reciprocal, and its damping rate can be lower than that of conventional 2d plasma waves. The Q-factor of 2d TMW is independent of the wave vector. Numerical estimates show that in state-of-the-art two-dimensional electrons systems the 2d TMW Q-factor is the order of $10^{-3}$. We discuss possible ways to overcome this issue. |
| title | Non-reciprocal waves in two-dimensional electron systems with temperature gradient |
| topic | Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2504.06061 |