BaCo$_2$(AsO$_4$)$_2$: Strong Kitaev, After All
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866909727650217984 |
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| author | Maksimov, Pavel A. Jiang, Shengtao Regnault, L. P. Chernyshev, A. L. |
| author_facet | Maksimov, Pavel A. Jiang, Shengtao Regnault, L. P. Chernyshev, A. L. |
| contents | The inelastic neutron scattering results and their analysis unequivocally point to a dominant Kitaev interaction in the honeycomb-lattice cobaltate BaCo$_2$(AsO$_4$)$_2$. Our anisotropic-exchange model closely describes $all$ available neutron scattering data in the material's field-polarized phase. The density-matrix renormalization group results for our model are in close accord with the unusual double-zigzag magnetic order and the low in-plane saturation field of BaCo$_2$(AsO$_4$)$_2$. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_20859 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | BaCo$_2$(AsO$_4$)$_2$: Strong Kitaev, After All Maksimov, Pavel A. Jiang, Shengtao Regnault, L. P. Chernyshev, A. L. Strongly Correlated Electrons The inelastic neutron scattering results and their analysis unequivocally point to a dominant Kitaev interaction in the honeycomb-lattice cobaltate BaCo$_2$(AsO$_4$)$_2$. Our anisotropic-exchange model closely describes $all$ available neutron scattering data in the material's field-polarized phase. The density-matrix renormalization group results for our model are in close accord with the unusual double-zigzag magnetic order and the low in-plane saturation field of BaCo$_2$(AsO$_4$)$_2$. |
| title | BaCo$_2$(AsO$_4$)$_2$: Strong Kitaev, After All |
| topic | Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2503.20859 |