Density of electronic states in density-wave compounds with imperfect nesting
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arXiv
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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866917899123294208 |
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| author | Tsvetkova, A. V. Rodionov, Ya. I. Grigoriev, P. D. |
| author_facet | Tsvetkova, A. V. Rodionov, Ya. I. Grigoriev, P. D. |
| contents | We study the effects of imperfect nesting in a simple 2D tight-binding model on the electronic properties in the density-wave (DW) state. The discussed model reflects the main features of quasi-1D metals, where the DW emerges. We show that an imperfect nesting leads to unusual singularities in the quasi-particle density of states, leading to a strong renormalization of the superconducting critical temperature. We also compute the conductivity tensor of the normal state and obtain a satisfactory agreement with the experimental data on rare-earth tritellurides and many other DW materials. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_00341 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Density of electronic states in density-wave compounds with imperfect nesting Tsvetkova, A. V. Rodionov, Ya. I. Grigoriev, P. D. Mesoscale and Nanoscale Physics We study the effects of imperfect nesting in a simple 2D tight-binding model on the electronic properties in the density-wave (DW) state. The discussed model reflects the main features of quasi-1D metals, where the DW emerges. We show that an imperfect nesting leads to unusual singularities in the quasi-particle density of states, leading to a strong renormalization of the superconducting critical temperature. We also compute the conductivity tensor of the normal state and obtain a satisfactory agreement with the experimental data on rare-earth tritellurides and many other DW materials. |
| title | Density of electronic states in density-wave compounds with imperfect nesting |
| topic | Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2501.00341 |