A model of non-Fermi liquid with power law resistivity: strange metal with a not-so-strange origin
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866909147575877632 |
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| author | Lee, Patrick A. |
| author_facet | Lee, Patrick A. |
| contents | We construct a model which exhibits resistivity going as a power law in temperature $T$, as $T^α$ down to the lowest temperature. There is no residual resistivity because we assume the absence of disorder and momentum relaxation is due to umklapp scattering. Our model consists of a quantum spin liquid state with spinon Fermi surface and a hole Fermi surface made out of doped holes. The key ingredient is a set of singular $2k_F$ modes living on a ring in momentum space. Depending on parameters, $α$ may be unity (strange metal) or even smaller. The model may be applicable to a doped organic compound, which has been found to exhibit linear T resistivity. We conclude that it is possible to obtain strange metal behavior starting with a model which is not so strange. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2402_10878 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | A model of non-Fermi liquid with power law resistivity: strange metal with a not-so-strange origin Lee, Patrick A. Strongly Correlated Electrons Superconductivity We construct a model which exhibits resistivity going as a power law in temperature $T$, as $T^α$ down to the lowest temperature. There is no residual resistivity because we assume the absence of disorder and momentum relaxation is due to umklapp scattering. Our model consists of a quantum spin liquid state with spinon Fermi surface and a hole Fermi surface made out of doped holes. The key ingredient is a set of singular $2k_F$ modes living on a ring in momentum space. Depending on parameters, $α$ may be unity (strange metal) or even smaller. The model may be applicable to a doped organic compound, which has been found to exhibit linear T resistivity. We conclude that it is possible to obtain strange metal behavior starting with a model which is not so strange. |
| title | A model of non-Fermi liquid with power law resistivity: strange metal with a not-so-strange origin |
| topic | Strongly Correlated Electrons Superconductivity |
| url | https://arxiv.org/abs/2402.10878 |