$H$-linear magnetoresistance in NbSe$_2$ due to impeded cyclotron motion
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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_ | 1866916004941004800 |
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| author | Kool, A. Pizzirani, D. Tinnemans, P. Wiedmann, S. Flicker, F. van Wezel, J. Hussey, N. E. Hinlopen, R. D. H. |
| author_facet | Kool, A. Pizzirani, D. Tinnemans, P. Wiedmann, S. Flicker, F. van Wezel, J. Hussey, N. E. Hinlopen, R. D. H. |
| contents | Linear magnetoresistance (LMR) is a widespread phenomenon observed in a host of quantum materials ranging from semiconductor nanostructures to quantum critical and strange metals. While multiple scenarios to explain LMR have been proposed, a complete understanding of the phenomenon remains elusive. Indeed, it is highly likely that the origin of LMR depends on the specific electronic state. Here, we report a study of the impact of disorder on the form of the magnetoresistance of the prototypical charge-density-wave (CDW) compound 2$H$-NbSe$_2$. The magnetoresistance is shown to exhibit strong qualitative and quantitative agreement with Boltzmann transport analysis incorporating impeded cyclotron motion (ICM). We identify the source of ICM in 2$H$-NbSe$_2$ as strong scattering sinks where the CDW order connects the high temperature Fermi cylinders. Such unusual "hotspots" provide an explanation for the observed LMR as well as for the long-unexplained absence of quantum oscillations inside the charge ordered state in 2$H$-NbSe$_2$. These findings provide strong evidence that ICM generates LMR in certain correlated metals. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2605_12048 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | $H$-linear magnetoresistance in NbSe$_2$ due to impeded cyclotron motion Kool, A. Pizzirani, D. Tinnemans, P. Wiedmann, S. Flicker, F. van Wezel, J. Hussey, N. E. Hinlopen, R. D. H. Strongly Correlated Electrons Linear magnetoresistance (LMR) is a widespread phenomenon observed in a host of quantum materials ranging from semiconductor nanostructures to quantum critical and strange metals. While multiple scenarios to explain LMR have been proposed, a complete understanding of the phenomenon remains elusive. Indeed, it is highly likely that the origin of LMR depends on the specific electronic state. Here, we report a study of the impact of disorder on the form of the magnetoresistance of the prototypical charge-density-wave (CDW) compound 2$H$-NbSe$_2$. The magnetoresistance is shown to exhibit strong qualitative and quantitative agreement with Boltzmann transport analysis incorporating impeded cyclotron motion (ICM). We identify the source of ICM in 2$H$-NbSe$_2$ as strong scattering sinks where the CDW order connects the high temperature Fermi cylinders. Such unusual "hotspots" provide an explanation for the observed LMR as well as for the long-unexplained absence of quantum oscillations inside the charge ordered state in 2$H$-NbSe$_2$. These findings provide strong evidence that ICM generates LMR in certain correlated metals. |
| title | $H$-linear magnetoresistance in NbSe$_2$ due to impeded cyclotron motion |
| topic | Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2605.12048 |