Bloch-Lorentz magnetoresistance oscillations in delafossites
Recent measurements of the out-of-plane magnetoresistance of delafossites (PdCoO$_2$ and PtCoO$_2$) observed oscillations closely resembling the Aharonov-Bohm effect. Here, we show that the magnetoresistance oscillations are explained by the Bloch-like oscillations of the out-of-plane electron traje...
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| Format: | Article |
| Language: | English |
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SciPost
2023-07-01
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| Series: | SciPost Physics |
| Online Access: | https://scipost.org/SciPostPhys.15.1.019 |
| _version_ | 1827897443327410176 |
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| author | Kostas Vilkelis, Lin Wang, Anton Akhmerov |
| author_facet | Kostas Vilkelis, Lin Wang, Anton Akhmerov |
| author_sort | Kostas Vilkelis, Lin Wang, Anton Akhmerov |
| collection | DOAJ |
| description | Recent measurements of the out-of-plane magnetoresistance of delafossites (PdCoO$_2$ and PtCoO$_2$) observed oscillations closely resembling the Aharonov-Bohm effect. Here, we show that the magnetoresistance oscillations are explained by the Bloch-like oscillations of the out-of-plane electron trajectories. We develop a semiclassical theory of these Bloch-Lorentz oscillations and show that they are a consequence of the ballistic motion and quasi-2D dispersion of delafossites. Our model identifies the sample wall scattering to be the most likely factor limiting the visibility of these Bloch-Lorentz oscillations in existing experiments. |
| first_indexed | 2024-03-12T22:50:14Z |
| format | Article |
| id | doaj.art-8f095b2d177f4575a16948ef7dc9d5e9 |
| institution | Directory Open Access Journal |
| issn | 2542-4653 |
| language | English |
| last_indexed | 2024-03-12T22:50:14Z |
| publishDate | 2023-07-01 |
| publisher | SciPost |
| record_format | Article |
| series | SciPost Physics |
| spelling | doaj.art-8f095b2d177f4575a16948ef7dc9d5e92023-07-20T14:36:18ZengSciPostSciPost Physics2542-46532023-07-0115101910.21468/SciPostPhys.15.1.019Bloch-Lorentz magnetoresistance oscillations in delafossitesKostas Vilkelis, Lin Wang, Anton AkhmerovRecent measurements of the out-of-plane magnetoresistance of delafossites (PdCoO$_2$ and PtCoO$_2$) observed oscillations closely resembling the Aharonov-Bohm effect. Here, we show that the magnetoresistance oscillations are explained by the Bloch-like oscillations of the out-of-plane electron trajectories. We develop a semiclassical theory of these Bloch-Lorentz oscillations and show that they are a consequence of the ballistic motion and quasi-2D dispersion of delafossites. Our model identifies the sample wall scattering to be the most likely factor limiting the visibility of these Bloch-Lorentz oscillations in existing experiments.https://scipost.org/SciPostPhys.15.1.019 |
| spellingShingle | Kostas Vilkelis, Lin Wang, Anton Akhmerov Bloch-Lorentz magnetoresistance oscillations in delafossites SciPost Physics |
| title | Bloch-Lorentz magnetoresistance oscillations in delafossites |
| title_full | Bloch-Lorentz magnetoresistance oscillations in delafossites |
| title_fullStr | Bloch-Lorentz magnetoresistance oscillations in delafossites |
| title_full_unstemmed | Bloch-Lorentz magnetoresistance oscillations in delafossites |
| title_short | Bloch-Lorentz magnetoresistance oscillations in delafossites |
| title_sort | bloch lorentz magnetoresistance oscillations in delafossites |
| url | https://scipost.org/SciPostPhys.15.1.019 |
| work_keys_str_mv | AT kostasvilkelislinwangantonakhmerov blochlorentzmagnetoresistanceoscillationsindelafossites |