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Unraveling materials Berry curvature and Chern numbers from real-time evolution of Bloch states

Materials can be classified by the topological character of their electronic structure and, in this perspective, global attributes immune to local deformations have been discussed in terms of Berry curvature and Chern numbers. Except for instructional simple models, linear response theories have bee...

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Veröffentlicht in:Proc Natl Acad Sci U S A
Hauptverfasser: Shin, Dongbin, Sato, Shunsuke A., Hübener, Hannes, De Giovannini, Umberto, Kim, Jeongwoo, Park, Noejung, Rubio, Angel
Format: Artigo
Sprache:Inglês
Veröffentlicht: National Academy of Sciences 2019
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Online Zugang:https://ncbi.nlm.nih.gov/pmc/articles/PMC6410824/
https://ncbi.nlm.nih.gov/pubmed/30765519
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1073/pnas.1816904116
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