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| Format: | Preprint |
| Published: |
2025
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| Online Access: | https://arxiv.org/abs/2509.07859 |
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| _version_ | 1866915486951800832 |
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| author | Kalhöfer, Sebastian |
| author_facet | Kalhöfer, Sebastian |
| contents | We propose that phonons coupled to electrons play an important role in both the fundamental phenomenology of electron spin resonance as well as the interpretation of such measurements. By including spin-dependent electron-phonon interactions originating from spin-orbit coupling, we demonstrate that the g-factor acquires emergent temperature dependencies that are in excellent agreement with experimental observations. Moreover, we predict that at low temperatures, the $g$-factor will exhibit a non-trivial dependence on the magnetic field, indicating a dynamic property that has not been previously considered in electron-phonon systems. We further predict the influence of phonons to be negligible at very low and very high temperatures, with the former requiring experimental verification. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_07859 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Temperature and magnetic field dependent $g$-factors in electron spin resonance spectroscopy Kalhöfer, Sebastian Materials Science Mesoscale and Nanoscale Physics Strongly Correlated Electrons We propose that phonons coupled to electrons play an important role in both the fundamental phenomenology of electron spin resonance as well as the interpretation of such measurements. By including spin-dependent electron-phonon interactions originating from spin-orbit coupling, we demonstrate that the g-factor acquires emergent temperature dependencies that are in excellent agreement with experimental observations. Moreover, we predict that at low temperatures, the $g$-factor will exhibit a non-trivial dependence on the magnetic field, indicating a dynamic property that has not been previously considered in electron-phonon systems. We further predict the influence of phonons to be negligible at very low and very high temperatures, with the former requiring experimental verification. |
| title | Temperature and magnetic field dependent $g$-factors in electron spin resonance spectroscopy |
| topic | Materials Science Mesoscale and Nanoscale Physics Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2509.07859 |