Vacancies in generic Kitaev spin liquids
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arXiv
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866912208962715648 |
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| author | Yatsuta, Ihor Mross, David F. |
| author_facet | Yatsuta, Ihor Mross, David F. |
| contents | The Kitaev honeycomb model supports gapless and gapped quantum spin liquid phases. Its exact solvability relies on extensively many locally conserved quantities. Any real-world manifestation of these phases would include imperfections in the form of disorder and interactions that break integrability. We show that the latter qualitatively alters the properties of vacancies in the gapless Kitaev spin liquid: (i) Isolated vacancies carry a magnetic moment, which is absent in the exactly solvable case. (ii) Pairs of vacancies on even/opposite sublattices gap each other with distinct power laws that reveal the presence of emergent gauge flux. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2312_00147 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Vacancies in generic Kitaev spin liquids Yatsuta, Ihor Mross, David F. Strongly Correlated Electrons The Kitaev honeycomb model supports gapless and gapped quantum spin liquid phases. Its exact solvability relies on extensively many locally conserved quantities. Any real-world manifestation of these phases would include imperfections in the form of disorder and interactions that break integrability. We show that the latter qualitatively alters the properties of vacancies in the gapless Kitaev spin liquid: (i) Isolated vacancies carry a magnetic moment, which is absent in the exactly solvable case. (ii) Pairs of vacancies on even/opposite sublattices gap each other with distinct power laws that reveal the presence of emergent gauge flux. |
| title | Vacancies in generic Kitaev spin liquids |
| topic | Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2312.00147 |