Metal-insulator transition and thermal scales in $d$-wave altermagnet
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arXiv
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| Autores principales: | , , |
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| Formato: | Preprint |
| Publicado: |
2026
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| _version_ | 1866918367401607168 |
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| author | Kannan, Santhosh Savla, Jainam Karmakar, Madhuparna |
| author_facet | Kannan, Santhosh Savla, Jainam Karmakar, Madhuparna |
| contents | We present the first finite-temperature study of a strongly correlated $d$-wave altermagnet across the Mott insulator-metal transition using a non-perturbative numerical approach. We map out the thermal phase diagram and provide quantitative estimates of the transition scales in an interacting altermagnet. We show that altermagnetism-induced geometric frustration stabilizes a finite-temperature correlated magnetic metal and enhances the magnetic transition scale across regimes of interaction. These results establish the finite-temperature landscape of correlated altermagnets and clarify the role of strong electronic interactions in this phase. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_02707 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Metal-insulator transition and thermal scales in $d$-wave altermagnet Kannan, Santhosh Savla, Jainam Karmakar, Madhuparna Strongly Correlated Electrons Materials Science We present the first finite-temperature study of a strongly correlated $d$-wave altermagnet across the Mott insulator-metal transition using a non-perturbative numerical approach. We map out the thermal phase diagram and provide quantitative estimates of the transition scales in an interacting altermagnet. We show that altermagnetism-induced geometric frustration stabilizes a finite-temperature correlated magnetic metal and enhances the magnetic transition scale across regimes of interaction. These results establish the finite-temperature landscape of correlated altermagnets and clarify the role of strong electronic interactions in this phase. |
| title | Metal-insulator transition and thermal scales in $d$-wave altermagnet |
| topic | Strongly Correlated Electrons Materials Science |
| url | https://arxiv.org/abs/2603.02707 |