Topological gaps by twisting
All aperiodic systems display an intrinsic degree of freedom, called the phason, and here it is shown that the phason space for twisted bilayered systems is a 2-torus. As a consequence, these systems host the physics of 4-dimensional integer quantum Hall effect, which can be accessed by simply slidi...
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Nature Portfolio
2021
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oai:doaj.org-article:654a14cd42154a2eb4c8b40da70c85242021-12-02T17:52:25ZTopological gaps by twisting10.1038/s42005-021-00630-32399-3650https://doaj.org/article/654a14cd42154a2eb4c8b40da70c85242021-06-01T00:00:00Zhttps://doi.org/10.1038/s42005-021-00630-3https://doaj.org/toc/2399-3650All aperiodic systems display an intrinsic degree of freedom, called the phason, and here it is shown that the phason space for twisted bilayered systems is a 2-torus. As a consequence, these systems host the physics of 4-dimensional integer quantum Hall effect, which can be accessed by simply sliding the layers relative to each other.Matheus I. N. RosaMassimo RuzzeneEmil ProdanNature PortfolioarticleAstrophysicsQB460-466PhysicsQC1-999ENCommunications Physics, Vol 4, Iss 1, Pp 1-10 (2021) |
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DOAJ |
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DOAJ |
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EN |
| topic |
Astrophysics QB460-466 Physics QC1-999 |
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Astrophysics QB460-466 Physics QC1-999 Matheus I. N. Rosa Massimo Ruzzene Emil Prodan Topological gaps by twisting |
| description |
All aperiodic systems display an intrinsic degree of freedom, called the phason, and here it is shown that the phason space for twisted bilayered systems is a 2-torus. As a consequence, these systems host the physics of 4-dimensional integer quantum Hall effect, which can be accessed by simply sliding the layers relative to each other. |
| format |
article |
| author |
Matheus I. N. Rosa Massimo Ruzzene Emil Prodan |
| author_facet |
Matheus I. N. Rosa Massimo Ruzzene Emil Prodan |
| author_sort |
Matheus I. N. Rosa |
| title |
Topological gaps by twisting |
| title_short |
Topological gaps by twisting |
| title_full |
Topological gaps by twisting |
| title_fullStr |
Topological gaps by twisting |
| title_full_unstemmed |
Topological gaps by twisting |
| title_sort |
topological gaps by twisting |
| publisher |
Nature Portfolio |
| publishDate |
2021 |
| url |
https://doaj.org/article/654a14cd42154a2eb4c8b40da70c8524 |
| work_keys_str_mv |
AT matheusinrosa topologicalgapsbytwisting AT massimoruzzene topologicalgapsbytwisting AT emilprodan topologicalgapsbytwisting |
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1718379230462476288 |