Perpendicular electric field drives chern transitions and layer polarization changes in hofstadter bands

HIGHLIGHTS

• who: Pratap Chandra Adak from the (UNIVERSITY) have published the paper: Perpendicular electric field drives Chern transitions and layer polarization changes in Hofstadter bands, in the Journal: (JOURNAL) of 25/Nov/2021
• what: The authors show that the nontrivial topology reflects in the Hofstadter spectra, in particular, by displaying a cascade of Hofstadter gaps that switch their Chern_numbers sequentially while varying the perpendicular electric field. In Fig 1c, the authors show a color-scale plot of the longitudinal conductivity, u03c3xx, as a function of u03bd and D at B=0 T and a temperature of . . .
  

   

  

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