Boltzmann theory of the inverse Edelstein effect in a two-dimensional Rashba gas
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arXiv
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| Autores principales: | , , , , , |
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| Formato: | Preprint |
| Publicado: |
2026
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| _version_ | 1866918502368018432 |
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| author | Gaiardoni, Irene Trama, Mattia Maiellaro, Alfonso Guarcello, Claudio Romeo, Francesco Citro, Roberta |
| author_facet | Gaiardoni, Irene Trama, Mattia Maiellaro, Alfonso Guarcello, Claudio Romeo, Francesco Citro, Roberta |
| contents | We investigate the inverse Edelstein effect in a non-homogeneous system consisting of a ferromagnetic layer coupled to a Rashba two-dimensional electron gas. Within a semiclassical Boltzmann framework, we derive analytical expressions for the charge and spin currents and analyze their dependence on key parameters such as the chemical potential and the Rashba coupling strength. We show how interfacial exchange and spin-orbit interactions jointly control the efficiency of spin-to-charge conversion, leading to distinct regimes characterized by qualitatively different transport responses. A central outcome of our work is the availability of closed-form analytical results, which provide direct physical insight and enable a transparent and quantitative benchmarking with experiments on complex oxide interfaces, such as LaAlO$_3$/SrTiO$_3$. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_02473 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Boltzmann theory of the inverse Edelstein effect in a two-dimensional Rashba gas Gaiardoni, Irene Trama, Mattia Maiellaro, Alfonso Guarcello, Claudio Romeo, Francesco Citro, Roberta Mesoscale and Nanoscale Physics We investigate the inverse Edelstein effect in a non-homogeneous system consisting of a ferromagnetic layer coupled to a Rashba two-dimensional electron gas. Within a semiclassical Boltzmann framework, we derive analytical expressions for the charge and spin currents and analyze their dependence on key parameters such as the chemical potential and the Rashba coupling strength. We show how interfacial exchange and spin-orbit interactions jointly control the efficiency of spin-to-charge conversion, leading to distinct regimes characterized by qualitatively different transport responses. A central outcome of our work is the availability of closed-form analytical results, which provide direct physical insight and enable a transparent and quantitative benchmarking with experiments on complex oxide interfaces, such as LaAlO$_3$/SrTiO$_3$. |
| title | Boltzmann theory of the inverse Edelstein effect in a two-dimensional Rashba gas |
| topic | Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2601.02473 |