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| Main Author: | |
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| Format: | Preprint |
| Published: |
2023
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2310.17263 |
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| _version_ | 1866911781782290432 |
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| author | Kuboki, Kazuhiro |
| author_facet | Kuboki, Kazuhiro |
| contents | We study phase separation in the $t-t'-J$ model in which the constraint of no double occupancy due to strong electron correlations leads to effective narrowing of the band width. Using a mean-field approximation, we calculate the compressibility in the normal state and show that the phase separation can be induced by the variation of the band width. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2310_17263 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Phase Separation Induced by Density-Dependent Hopping Terms Kuboki, Kazuhiro Strongly Correlated Electrons We study phase separation in the $t-t'-J$ model in which the constraint of no double occupancy due to strong electron correlations leads to effective narrowing of the band width. Using a mean-field approximation, we calculate the compressibility in the normal state and show that the phase separation can be induced by the variation of the band width. |
| title | Phase Separation Induced by Density-Dependent Hopping Terms |
| topic | Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2310.17263 |