Anderson critical metal phase in trivial states protected by average magnetic crystalline symmetry
Abstract Transitions between distinct obstructed atomic insulators (OAIs) protected by crystalline symmetries, where electrons form molecular orbitals centering away from the atom positions, must go through an intermediate metallic phase. In this work, we find that the intermediate metals will becom...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2024-04-01
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| Series: | Nature Communications |
| Online Access: | https://doi.org/10.1038/s41467-024-47467-2 |
| _version_ | 1827284243841024000 |
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| author | Fa-Jie Wang Zhen-Yu Xiao Raquel Queiroz B. Andrei Bernevig Ady Stern Zhi-Da Song |
| author_facet | Fa-Jie Wang Zhen-Yu Xiao Raquel Queiroz B. Andrei Bernevig Ady Stern Zhi-Da Song |
| author_sort | Fa-Jie Wang |
| collection | DOAJ |
| description | Abstract Transitions between distinct obstructed atomic insulators (OAIs) protected by crystalline symmetries, where electrons form molecular orbitals centering away from the atom positions, must go through an intermediate metallic phase. In this work, we find that the intermediate metals will become a scale-invariant critical metal phase (CMP) under certain types of quenched disorder that respect the magnetic crystalline symmetries on average. We explicitly construct models respecting average C 2z T, m, and C 4z T and show their scale-invariance under chemical potential disorder by the finite-size scaling method. Conventional theories, such as weak anti-localization and topological phase transition, cannot explain the underlying mechanism. A quantitative mapping between lattice and network models shows that the CMP can be understood through a semi-classical percolation problem. Ultimately, we systematically classify all the OAI transitions protected by (magnetic) groups $$Pm,P{2}^{{\prime} },P{4}^{{\prime} }$$ P m , P 2 ′ , P 4 ′ , and $$P{6}^{{\prime} }$$ P 6 ′ with and without spin-orbit coupling, most of which can support CMP. |
| first_indexed | 2024-04-24T09:51:26Z |
| format | Article |
| id | doaj.art-c417866f80a24e71ab9a15cf79fbb9cb |
| institution | Directory Open Access Journal |
| issn | 2041-1723 |
| language | English |
| last_indexed | 2024-04-24T09:51:26Z |
| publishDate | 2024-04-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Nature Communications |
| spelling | doaj.art-c417866f80a24e71ab9a15cf79fbb9cb2024-04-14T11:21:08ZengNature PortfolioNature Communications2041-17232024-04-0115111310.1038/s41467-024-47467-2Anderson critical metal phase in trivial states protected by average magnetic crystalline symmetryFa-Jie Wang0Zhen-Yu Xiao1Raquel Queiroz2B. Andrei Bernevig3Ady Stern4Zhi-Da Song5International Center for Quantum Materials, School of Physics, Peking UniversityInternational Center for Quantum Materials, School of Physics, Peking UniversityDepartment of Physics, Columbia UniversityDepartment of Physics, Princeton UniversityDepartment of Condensed Matter Physics, Weizmann Institute of ScienceInternational Center for Quantum Materials, School of Physics, Peking UniversityAbstract Transitions between distinct obstructed atomic insulators (OAIs) protected by crystalline symmetries, where electrons form molecular orbitals centering away from the atom positions, must go through an intermediate metallic phase. In this work, we find that the intermediate metals will become a scale-invariant critical metal phase (CMP) under certain types of quenched disorder that respect the magnetic crystalline symmetries on average. We explicitly construct models respecting average C 2z T, m, and C 4z T and show their scale-invariance under chemical potential disorder by the finite-size scaling method. Conventional theories, such as weak anti-localization and topological phase transition, cannot explain the underlying mechanism. A quantitative mapping between lattice and network models shows that the CMP can be understood through a semi-classical percolation problem. Ultimately, we systematically classify all the OAI transitions protected by (magnetic) groups $$Pm,P{2}^{{\prime} },P{4}^{{\prime} }$$ P m , P 2 ′ , P 4 ′ , and $$P{6}^{{\prime} }$$ P 6 ′ with and without spin-orbit coupling, most of which can support CMP.https://doi.org/10.1038/s41467-024-47467-2 |
| spellingShingle | Fa-Jie Wang Zhen-Yu Xiao Raquel Queiroz B. Andrei Bernevig Ady Stern Zhi-Da Song Anderson critical metal phase in trivial states protected by average magnetic crystalline symmetry Nature Communications |
| title | Anderson critical metal phase in trivial states protected by average magnetic crystalline symmetry |
| title_full | Anderson critical metal phase in trivial states protected by average magnetic crystalline symmetry |
| title_fullStr | Anderson critical metal phase in trivial states protected by average magnetic crystalline symmetry |
| title_full_unstemmed | Anderson critical metal phase in trivial states protected by average magnetic crystalline symmetry |
| title_short | Anderson critical metal phase in trivial states protected by average magnetic crystalline symmetry |
| title_sort | anderson critical metal phase in trivial states protected by average magnetic crystalline symmetry |
| url | https://doi.org/10.1038/s41467-024-47467-2 |
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