Optical Shubnikov - de Haas oscillations in 2D electron systems
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arXiv
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| Main Authors: | , , , , , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866914671516188672 |
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| author | Savchenko, M. L. Gospodaric, J. Shuvaev, A. Dmitriev, I. A. Dziom, V. Dobretsova, A. A. Mikhailov, N. N. Kvon, Z. D. Pimenov, A. |
| author_facet | Savchenko, M. L. Gospodaric, J. Shuvaev, A. Dmitriev, I. A. Dziom, V. Dobretsova, A. A. Mikhailov, N. N. Kvon, Z. D. Pimenov, A. |
| contents | We report on dynamic Shubnikov - de Haas (SdH) oscillations that are measured in the optical response, sub - terahertz transmittance of two-dimensional systems, and reveal two distinct types of oscillation nodes: "universal" nodes at integer ratios of radiation and cyclotron frequencies and "tunable" nodes at positions sensitive to all parameters of the structure. The nodes in both real and imaginary parts of the measured complex transmittance are analyzed using a dynamic version of the static Lifshitz-Kosevich formula. These results demonstrate that the node structure of the dynamic SdH oscillations provides an all-optical access to quantization- and interaction-induced renormalization effects, in addition to parameters one can obtain from the static SdH oscillations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_05879 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Optical Shubnikov - de Haas oscillations in 2D electron systems Savchenko, M. L. Gospodaric, J. Shuvaev, A. Dmitriev, I. A. Dziom, V. Dobretsova, A. A. Mikhailov, N. N. Kvon, Z. D. Pimenov, A. Mesoscale and Nanoscale Physics We report on dynamic Shubnikov - de Haas (SdH) oscillations that are measured in the optical response, sub - terahertz transmittance of two-dimensional systems, and reveal two distinct types of oscillation nodes: "universal" nodes at integer ratios of radiation and cyclotron frequencies and "tunable" nodes at positions sensitive to all parameters of the structure. The nodes in both real and imaginary parts of the measured complex transmittance are analyzed using a dynamic version of the static Lifshitz-Kosevich formula. These results demonstrate that the node structure of the dynamic SdH oscillations provides an all-optical access to quantization- and interaction-induced renormalization effects, in addition to parameters one can obtain from the static SdH oscillations. |
| title | Optical Shubnikov - de Haas oscillations in 2D electron systems |
| topic | Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2402.05879 |