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Half-integer anomalous currents in 2D materials from a QFT viewpoint

Charge carriers in Dirac/Weyl semi-metals exhibit a relativistic-like behavior. In this work we propose a novel type of intrinsic half-integer Quantum Hall effect in 2D materials, thereby also offering a topological protection mechanism for the current. Its existence is rooted in the 2D parity anoma...

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Detalles Bibliográficos
Autores principales: Dudal, David, Matusalem, Filipe, Mizher, Ana Júlia, Rocha, Alexandre Reily, Villavicencio, Cristian
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8971497/
https://www.ncbi.nlm.nih.gov/pubmed/35361856
http://dx.doi.org/10.1038/s41598-022-09483-4