The Migdal effect in solid crystals and the role of non-adiabaticity
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arXiv
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| Auteurs principaux: | , |
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866914098897223680 |
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| author | Esposito, Angelo Rocchi, Andrea |
| author_facet | Esposito, Angelo Rocchi, Andrea |
| contents | We systematically apply the Born-Oppenheimer approximation to show that the Migdal effect in a solid crystal is entirely due to non-adiabatic effects, namely the deviation of the wave function from exact factorization of the electronic and nuclear contributions. The matrix element obtained this way matches exactly the result found by means of a previously derived low energy effective theory. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_08864 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | The Migdal effect in solid crystals and the role of non-adiabaticity Esposito, Angelo Rocchi, Andrea High Energy Physics - Phenomenology Materials Science Other Condensed Matter We systematically apply the Born-Oppenheimer approximation to show that the Migdal effect in a solid crystal is entirely due to non-adiabatic effects, namely the deviation of the wave function from exact factorization of the electronic and nuclear contributions. The matrix element obtained this way matches exactly the result found by means of a previously derived low energy effective theory. |
| title | The Migdal effect in solid crystals and the role of non-adiabaticity |
| topic | High Energy Physics - Phenomenology Materials Science Other Condensed Matter |
| url | https://arxiv.org/abs/2505.08864 |