Asian Network School and Workshop on Complex Condensed Matter Systems 2023
Hanoi, 6-10 November 2023

Programme

L.1.2 -- Lecture, ANSWCCMS-2023

Date: Monday, 6 November 2023

Time: 10:30 - 11:30

Flatbands — construction and perturbation

Alexei Andreanov

Center for Theoretical Physics of Complex Systems, Institute for Basic Science, Daejeon, Korea

Flatbands are dispersionless energy bands in high-binding networks. The absence of dispersion leads to macroscopic degeneracy, suppression of transport and extreme sensitivity to perturbations. Slightest perturbations break the degeneracy and novel and interesting phases of matter emerge. I will discuss how flatbands can be constructed systematically and how effects of various perturbations can be analysed.

Presenter: Alexei Andreanov


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